Autokeratoplasty Disorders

Autokeratoplasty, also known as corneal autografting, is a surgical procedure in which a patient’s own corneal tissue is transplanted to replace a damaged or opaque portion of their cornea. Unlike traditional keratoplasty that uses donor tissue, autokeratoplasty utilizes only the patient’s own tissue, eliminating the risk of immune rejection and donor‐related infections. This approach is particularly valuable in settings where donor corneas are scarce or in patients at high risk for graft rejection, such as those with vascularized corneas or a history of previous rejection EyeWiki.

Autokeratoplasty refers to the transplantation of corneal tissue from an undamaged region of the patient’s own cornea to a damaged area, typically within the same eye. It is indicated when localized opacities or scarring impair vision but surrounding corneal tissue remains healthy enough to serve as a donor. Because the tissue originates from the same individual, there is essentially no risk of graft rejection and no need for long-term systemic immunosuppression. Patients recover faster, experience fewer complications, and often achieve excellent visual outcomes.

In practice, autokeratoplasty can restore visual clarity by moving a clear peripheral corneal zone into the visual axis or by transferring tissue from one eye to the other when one eye has poor visual potential. Because the grafted tissue remains immunologically self‐contained, postoperative steroid requirements are minimal, recovery tends to be faster, and long‐term endothelial cell survival is superior to that seen with donor grafts PubMed.

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Types of Autokeratoplasty

There are two principal forms of autokeratoplasty:

1. Ipsilateral Rotational Autokeratoplasty (IRA)
   In IRA, a circular button of corneal tissue is trephined from the affected cornea, rotated so that the clear peripheral cornea now lies in the visual axis, and then sutured back in place. This technique is indicated when at least 4–5 mm of clear peripheral cornea is available and the central opacity is non-progressive. IRA avoids donor tissue altogether and carries no risk of rejection. It is especially useful in pediatric patients, those with vascularized scars, or patients in regions with limited donor availability EyeWikiNature.

2. Penetrating Bilateral Autokeratoplasty
   This rarer procedure transfers a full-thickness corneal button from the patient’s better‐seeing—but visually limited—eye to the affected eye. It is reserved for cases where one cornea is opaque and the contralateral cornea, though clear, has poor vision due to unrelated issues (e.g., optic nerve disease). While it sacrifices vision in the donor eye, it provides a self‐tissue graft without rejection risk for the recipient eye EyeWiki.

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Causes (Indications) for Autokeratoplasty

In the context of autokeratoplasty, “causes” refer to the corneal conditions that necessitate the procedure. Common indications include:

1. Central Corneal Scarring from Trauma
   Blunt or penetrating injuries can leave dense opacities obstructing vision. Autokeratoplasty rotates a clear zone into the visual axis, restoring sight EyeWiki.

2. Post-Infectious Keratitis Scars
   Healing of severe bacterial, viral (e.g., herpes simplex), or fungal infections may result in non-progressive central scars unsuitable for optical clarity Nature.

3. Congenital Corneal Opacities
   Developmental anomalies such as Peter’s anomaly or congenital hereditary endothelial dystrophy can cause focal central opacities that may be repositioned in IRA Wikipedia.

4. Chemical Injury
   Alkali or acid burns often produce central scarring; if peripheral cornea remains clear, IRA is an option PubMed.

5. Lipid Keratopathy
   Lipid deposits can cause dense, non-vascularized opacities; rotation of clear tissue provides cosmetic and visual benefit EyeWiki.

6. Non-Infectious Ulcerative Keratitis
   Autoimmune or marginal ulcers that heal with central scarring may be managed by autokeratoplasty EyeWiki.

7. Keratoconus with Central Scarring
   Advanced keratoconus sometimes leads to central scarring, and when donor tissue is unavailable, autokeratoplasty can be a temporizing measure EyeWiki.

8. Bullous Keratopathy (Non-Progressive)
   Chronic edema leading to subepithelial bullae may scar; a rotating graft of clearer tissue can reduce pain and improve vision PubMed.

9. Corneal Degenerations
   Conditions like Salzmann nodular degeneration can yield localized opacities amendable to rotation EyeWiki.

10. Central Stromal Dystrophies
    Macular or lattice dystrophy may form central haze; autokeratoplasty can restore clarity Wikipedia.

11. Corneal Facet from Healed Ulcers
    Depressed scars can distort vision centrally; moving clear stroma into position improves acuity Wikipedia.

12. Adherent Leucoma Post-Perforation
    Iris incarceration causing dense scarring may be bypassed by autokeratoplasty Wikipedia.

13. Ancient Viral Keratitis Sequelae
    Dendritic lesions healed with scarring can occlude the visual axis EyeWiki.

14. Trachomatous Scarring
    Chronic trachoma can result in central corneal opacities; autokeratoplasty offers an alternative when donor tissue is scarce Wikipedia.

15. Chemical Tattooing Failures
    Cosmetic tattooing may not clear deep scars; surgical autografting can improve both vision and appearance EyeWiki.

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Symptoms of Corneal Opacities (Treated by Autokeratoplasty)

Patients indicated for autokeratoplasty typically present with symptoms arising from corneal opacity:

1. Blurred Vision
   Loss of corneal transparency scatters light, leading to a general blurring of images Barnet Dulaney Perkins Eye Center.

2. Glare and Halos
   Irregular stromal scarring creates glare around lights, especially noticeable at night Assil Gaur Eye Institute.

3. Photophobia (Light Sensitivity)
   Scarred corneas transmit light unevenly, causing discomfort in bright environments oculase.com.

4. Foreign-Body Sensation
   Surface irregularities from scarring can feel like grit in the eye Patient.

5. Redness
   Chronic epithelial breakdown over scars often induces conjunctival hyperemia Patient.

6. Tearing (Epiphora)
   Surface irritation and reflex tearing accompany epithelial defects over scars NCBI.

7. Decreased Contrast Sensitivity
   Light scatter reduces the ability to distinguish fine details Barnet Dulaney Perkins Eye Center.

8. Foreign-Body Pain
   Deeper stromal opacities can pain on blinking or rubbing NCBI.

9. Difficulty with Near or Distance Tasks
   Central haze impacts reading or recognizing faces at a distance UVA Health.

10. Cosmetic Concerns
    Visible white or gray opacities can be distressing and motivate surgery UVA Health.

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 Diagnostic Tests

A thorough evaluation includes multiple modalities:

Physical Examination

1. Visual Acuity Testing
   Standard Snellen or logMAR charts quantify the vision loss caused by opacity Wikipedia.

2. Slit-Lamp Biomicroscopy
   Detailed 3D visualization of scar depth, density, and associated surface changes EyeWiki.

3. Pupillary Reflex Assessment
   Checks for relative afferent pupillary defects indicating severe stromal or neural compromise Wikipedia.

4. Intraocular Pressure Measurement
   Applanation tonometry rules out secondary glaucoma from chronic scarring Wikipedia.

5. Corneal Sensitivity Testing
   Cochet-Bonnet esthesiometer or cotton-swab method evaluates nerve function over scars NCBI.

Manual Tests

6. Fluorescein Staining
   Highlights epithelial defects over scars under cobalt-blue light EyeWiki.

7. Seidel Test
   Detects occult corneal leaks in post-traumatic or post-surgical scars EyeWiki.

8. Keratometry
   Manual or automated measures corneal curvature to plan trephination size Nature.

Laboratory and Pathological Tests

9. Corneal Scrapings and Cultures
   Rule out active infection before planning autokeratoplasty Nature.

10. Viral PCR (e.g., HSV, VZV)
    Detect low-grade viral keratitis as a contributor to scarring Nature.

11. Histopathology of Excised Tissue
    Confirms the nature of dystrophic or degenerative deposits PubMed.

12. Tear Film Osmolarity
    Elevated osmolarity can worsen epithelial healing over scars UVA Health.

13. Autoimmune Panel
    ANA, RF, or ANCA testing if autoimmune keratitis is suspected Wikipedia.

Electrodiagnostic Tests

14. Visual Evoked Potentials (VEP)
    Assess post-retinal visual pathway integrity in eyes with long-standing opacity Wikipedia.

15. Electroretinography (ERG)
    Rules out retinal contributions to poor vision when the cornea appears only mildly scarred Wikipedia.

16. Blink Reflex Testing
    Evaluates trigeminal and facial nerve function affecting corneal health Patient.

17. Corneal Biomechanical Analysis (Ocular Response Analyzer)
    Measures corneal hysteresis and rigidity prior to trephination Wikipedia.

Imaging Tests

18. Anterior Segment OCT (AS-OCT)
    High-resolution cross-sectional images of scar depth to guide surgical planning Wikipedia.

19. Ultrasound Biomicroscopy (UBM)
    Visualizes posterior corneal scars not visible by OCT Wikipedia.

20. Corneal Topography/Pentacam
    Maps surface irregularities and ectatic changes to optimize graft centration Wikipedia.

Non-Pharmacological Treatments

Below are evidence-informed, non-drug strategies to support corneal health before and after autokeratoplasty. Each therapy includes its description, purpose, and mechanism:

1. Lid Hygiene Exercises
   Description: Gentle cleaning and massage of eyelid margins using warm compresses.
   Purpose: To reduce meibomian gland dysfunction and improve tear film.
   Mechanism: Heat melts gland secretions, allowing oils to distribute evenly over the cornea, decreasing surface friction and promoting healing.

2. Blink Training
   Description: Structured sessions encouraging complete, frequent blinks.
   Purpose: To maintain a uniform tear layer and prevent dry patches.
   Mechanism: Full blinks spread tear film across the cornea, supplying nutrients and removing debris.

3. Ocular Surface Bandage Contact Lens
   Description: A soft lens worn short-term to protect healing tissue.
   Purpose: To stabilize the corneal epithelium and relieve discomfort.
   Mechanism: Acts as a barrier against eyelid friction and maintains a moist environment for epithelial regrowth.

4. Punctal Occlusion Training
   Description: Brief manual pressure at tear duct openings.
   Purpose: To conserve tears on the ocular surface.
   Mechanism: Temporary occlusion slows tear drainage, increasing hydration time.

5. Warm Salt Compresses
   Description: Warm, saline-soaked gauze applied to closed lids.
   Purpose: To soothe inflammation and loosen debris.
   Mechanism: Osmotic action draws fluid from swollen tissues, reducing puffiness and facilitating gland clearance.

6. Guided Imagery Relaxation
   Description: Visualization exercises focusing on comfort and healing.
   Purpose: To lower perioperative stress and pain perception.
   Mechanism: Activates parasympathetic pathways, reducing stress-induced inflammatory mediators.

7. Mindful Breathing
   Description: Slow, diaphragmatic breathing practiced in sessions.
   Purpose: To decrease anxiety before surgery or during recovery.
   Mechanism: Lowers cortisol levels, which can otherwise impair wound healing.

8. Progressive Muscle Relaxation
   Description: Sequential tensing and releasing of muscle groups.
   Purpose: To alleviate ocular tension and headache.
   Mechanism: Reduces sympathetic overactivity, improving local blood flow to the eye.

9. Patient Education Modules
   Description: Interactive tutorials on drop regimens and infection signs.
   Purpose: To empower self-management and adherence.
   Mechanism: Increased knowledge leads to timely reporting of issues and proper use of therapies.

10. Peer Support Groups
    Description: Regular meetings with other corneal transplant patients.
    Purpose: To share experiences and coping strategies.
    Mechanism: Social engagement boosts motivation and reduces isolation, indirectly promoting recovery.

11. Visual Rehabilitation Exercises
    Description: Structured reading and focus tasks under supervision.
    Purpose: To train the brain to adapt to the changed optical surface.
    Mechanism: Neuroplasticity helps optimize visual acuity post-repair.

12. Environmental Humidification
    Description: Use of room humidifiers at home.
    Purpose: To maintain moisture in ambient air.
    Mechanism: Slows tear evaporation, protecting healing epithelium.

13. Nutritional Counseling
    Description: Guidance on a diet rich in antioxidants and omega-3s.
    Purpose: To supply building blocks for tissue repair.
    Mechanism: Vitamins C and A support collagen cross-linking and epithelial regeneration.

14. Sleep Hygiene Education
    Description: Strategies to improve sleep quality (e.g., darkening the room).
    Purpose: To foster optimal nightly tissue restoration.
    Mechanism: Growth hormone peaks during deep sleep, promoting wound healing.

15. Sunglasses Training
    Description: Habit-forming the use of UV-blocking lenses outdoors.
    Purpose: To prevent harmful ultraviolet damage to healing cornea.
    Mechanism: UV filters reduce oxidative stress on epithelial cells.

16. Digital Screen Breaks
    Description: Scheduled intervals away from screens (20-20-20 rule).
    Purpose: To reduce ocular surface drying and strain.
    Mechanism: Limiting screen glare and blink suppression preserves tear film.

17. Educational Self-Checklist
    Description: A daily log of drops, symptoms, and hygiene tasks.
    Purpose: To reinforce routines and detect deviations early.
    Mechanism: Self-monitoring improves adherence and flags complications.

18. Guided Posture Correction
    Description: Advice on head and neck positioning during reading.
    Purpose: To minimize ocular blood pooling and dryness.
    Mechanism: Proper posture ensures even eyelid closure and tear distribution.

19. Stress-Management Workshops
    Description: Group sessions teaching coping skills.
    Purpose: To keep stress hormones in check during recovery.
    Mechanism: Lowered adrenaline and cortisol levels foster optimal immune function.

20. Hygiene Skill Videos
    Description: Short clips demonstrating drop application and lid care.
    Purpose: To ensure correct sterile technique at home.
    Mechanism: Visual learning reduces contamination risk and infection rates.

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Medications

These are the primary drug therapies used before, during, or after autokeratoplasty to prevent infection, control inflammation, and support healing. Each is backed by clinical studies:

1. Moxifloxacin 0.5% Eye Drops (Antibiotic)

   • Dosage: One drop every 2 hours for first 24 h, then QID for 7 days.

   • Timing: Start immediately post-op.

   • Side Effects: Mild burning, temporary blurred vision.

2. Prednisolone Acetate 1% Suspension (Corticosteroid)

   • Dosage: One drop QID, tapering over 3 months.

   • Timing: Initiate on day 1 post-op.

   • Side Effects: Elevated intraocular pressure, cataract formation with long-term use.

3. Dexamethasone 0.1% Eye Drops (Corticosteroid)

   • Dosage: One drop every 4 h, taper after 6 weeks.

   • Timing: For patients intolerant of prednisolone.

   • Side Effects: Similar to prednisolone; monitor IOP closely.

4. Ketorolac Tromethamine 0.5% (NSAID)

   • Dosage: One drop QID for 2 weeks.

   • Timing: Adjunct for pain and inflammation control.

   • Side Effects: Burning, corneal melt risk if used >14 days.

5. Cyclosporine A 0.05% Emulsion (Immunomodulator)

   • Dosage: One drop BID for chronic ocular surface inflammation.

   • Timing: Start 2 weeks before surgery in dry-eye–prone eyes.

   • Side Effects: Temporary stinging, redness.

6. Lifitegrast 5% Solution (LFA-1 Antagonist)

   • Dosage: One drop BID for dry-eye prophylaxis.

   • Timing: Begin 1 month pre-op in high-risk cases.

   • Side Effects: Dysgeusia, ocular irritation.

7. Carboxymethylcellulose 0.5% (Artificial Tear)

   • Dosage: One to two drops QID or PRN.

   • Timing: Throughout recovery.

   • Side Effects: Rare; temporary stickiness.

8. Vitamin A Ointment (100,000 IU/g)

   • Dosage: Apply half-inch ribbon HS.

   • Timing: At night for epithelial support.

   • Side Effects: Blurred vision on awakening.

9. Pilocarpine 2% (Miotic)

   • Dosage: One drop QID if elevated IOP.

   • Timing: For steroid-induced glaucoma management.

   • Side Effects: Brow ache, miosis.

10. Acetazolamide 250 mg PO (Carbonic Anhydrase Inhibitor)

    • Dosage: One tablet BID for raised IOP.

    • Timing: Short course only.

    • Side Effects: Paresthesias, metabolic acidosis.

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Dietary Molecular Supplements

Nutrition plays a key role in corneal healing. Below are supplements with clinical support:

1. Vitamin C (Ascorbic Acid)

   • Dosage: 500 mg daily.

   • Function: Collagen synthesis cofactor.

   • Mechanism: Promotes stromal repair by hydroxylating proline residues.

2. Vitamin A (Retinol Palmitate)

   • Dosage: 10,000 IU daily.

   • Function: Epithelial cell differentiation.

   • Mechanism: Regulates gene transcription for mucin production.

3. Omega-3 Fatty Acids (EPA/DHA)

   • Dosage: 1,000 mg daily.

   • Function: Anti-inflammatory.

   • Mechanism: Competes with arachidonic acid, reducing pro-inflammatory eicosanoids.

4. Zinc (Zinc Gluconate)

   • Dosage: 15 mg daily.

   • Function: Enzyme cofactor.

   • Mechanism: Required for matrix metalloproteinases in tissue remodeling.

5. Copper (Cupric Sulfate)

   • Dosage: 2 mg daily.

   • Function: Lysyl oxidase cofactor.

   • Mechanism: Cross-linking collagen fibrils for tensile strength.

6. L-Arginine

   • Dosage: 3 g daily.

   • Function: Precursor to nitric oxide.

   • Mechanism: Modulates angiogenesis and wound healing.

7. Collagen Peptides

   • Dosage: 10 g daily.

   • Function: Provides amino acids for corneal matrix.

   • Mechanism: Supplies glycine and proline directly to repair sites.

8. Glucosamine Sulfate

   • Dosage: 1,500 mg daily.

   • Function: Glycosaminoglycan synthesis.

   • Mechanism: Supports stromal hydration and volume.

9. Methylsulfonylmethane (MSM)

   • Dosage: 1,000 mg daily.

   • Function: Anti-inflammatory.

   • Mechanism: Donates sulfur for connective tissue repair.

10. Lutein & Zeaxanthin

    • Dosage: 10 mg/2 mg daily.

    • Function: Antioxidant protection.

    • Mechanism: Filters blue light, reducing oxidative stress on surface cells.

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Advanced Biologic & Device-Based Therapies

These cutting-edge treatments can enhance healing in select cases:

1. Disodium Etidronate (Diphosphonate Chelator)

   • Dosage: Topical 0.1 M solution QID.

   • Function: Dissolves corneal calcium deposits.

   • Mechanism: Binds calcium crystals, easing removal in band keratopathy.

2. Cenegermin (Recombinant Nerve Growth Factor)

   • Dosage: 20 µg/mL, one drop QID for 8 weeks.

   • Function: Neurotrophic support.

   • Mechanism: Stimulates corneal nerve regrowth and epithelial healing.

3. Regenerating Agent (RGTA®)

   • Dosage: One drop QID for 4 weeks.

   • Function: Mimics heparan sulfates in extracellular matrix.

   • Mechanism: Protects growth factors, accelerates tissue repair.

4. Hyaluronic Acid Viscosupplement (Intrascleral Plug)

   • Dosage: Single 0.1 mL implant at limbus.

   • Function: Sustained lubrication.

   • Mechanism: Creates a reservoir of HA that gradually releases over weeks.

5. Cultured Limbal Epithelial Stem Cells

   • Dosage: Single transplantation procedure.

   • Function: Restore limbal stem cell population.

   • Mechanism: Repopulates the corneal epithelium, preventing persistent defects.

6. Autologous Mesenchymal Stem Cell Injection

   • Dosage: 1 × 10⁶ cells per injection, monthly for 3 months.

   • Function: Immunomodulation and trophic support.

   • Mechanism: Secretes growth factors that enhance healing and reduce scarring.

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Surgical Options

When autokeratoplasty alone is insufficient, these procedures may be used:

1. Penetrating Keratoplasty (PKP)

   • Procedure: Full‐thickness donor graft replaces scar.

   • Benefits: Clears central opacity; broad applicability.

2. Deep Anterior Lamellar Keratoplasty (DALK)

   • Procedure: Replaces stroma to Descemet’s membrane.

   • Benefits: Endothelium preserved, lower rejection risk.

3. Phototherapeutic Keratectomy (PTK)

   • Procedure: Excimer laser ablates superficial opacities.

   • Benefits: Precise smoothing; avoids graft.

4. Keratoprosthesis (Boston Type I)

   • Procedure: Artificial cornea implanted in high-risk cases.

   • Benefits: Option when grafts fail or immunologic risk is high.

5. Amniotic Membrane Transplantation

   • Procedure: Covers cornea with preserved amniotic tissue.

   • Benefits: Anti-inflammatory, pro-healing scaffold.

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Prevention Strategies

Protecting corneal health limits the need for grafts:

1. Wear impact-resistant eyewear in sports or work.

2. Manage eyelid conditions (blepharitis) promptly.

3. Treat ocular infections aggressively.

4. Control systemic diseases (e.g., diabetes).

5. Use UV-blocking sunglasses outdoors.

6. Maintain contact lens hygiene.

7. Avoid eye rubbing, especially allergic.

8. Keep hands clean before touching eyes.

9. Ensure adequate hydration and nutrition.

10. Schedule regular eye exams with an ophthalmologist.

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When to See a Doctor

Seek prompt evaluation if you experience:

• A sudden drop in vision

• Persistent eye pain or redness

• New light sensitivity or glare

• Any discharge or crusting around the eye

• Signs of graft failure (cloudiness, vascularization)
  Early intervention reduces complications and improves outcomes.

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“Do”s and “Avoid”s

Do:

1. Follow your drop schedule precisely.

2. Use protective eyewear as advised.

3. Keep a symptom diary.

4. Attend all postoperative visits.

5. Maintain good overall health (sleep, nutrition).

Avoid:

1. Rubbing or pressing on the eye.

2. Swimming or hot tubs for at least one month.

3. Makeup near the eye until cleared.

4. Heavy lifting or straining.

5. Exposure to dusty or smoky environments.

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FAQs

1. What is autokeratoplasty? A corneal autograft procedure using your own tissue to replace a scarred region, avoiding rejection.

2. Who is a candidate? Patients with localized, non-progressive corneal opacities and sufficient healthy tissue.

3. Is general anesthesia required? Usually local anesthesia with sedation; general only in select cases.

4. How long is recovery? Visual stability often by 3–6 months; full healing up to a year.

5. Will I need steroids long-term? Typically tapered off by 3–4 months; some patients with inflammation may continue low-dose drops.

6. Can it be repeated? Yes, if new scars form or initial graft fails.

7. What are risks? Suture-related astigmatism, infection, graft melt, but no immune rejection.

8. How clear will vision be? Most achieve 20/40 or better; spectacles or RGP contact lenses may refine acuity.

9. Is autokeratoplasty better than donor graft? Lower rejection risk and faster recovery when applicable, but only for localized lesions.

10. Can I wear contact lenses afterward? Soft lenses are allowed once fully healed; RGPs may optimize vision.

11. Will insurance cover it? Often covered if medically necessary; consult your provider.

12. Is it painful? Mild discomfort; managed with topical NSAIDs and oral analgesics.

13. Can I travel post-op? Avoid long flights for first month; ensure you have drops and follow-up plan.

14. What happens to the donor site? It remains clear; tissue is rotated or reshaped rather than removed entirely.

15. Are there alternatives? Laser PTK, allograft PKP, keratoprosthesis depending on lesion size and location.

Disclaimer: Each person’s journey is unique, treatment plan, life style, food habit, hormonal condition, immune system, chronic disease condition, geological location, weather and previous medical  history is also unique. So always seek the best advice from a qualified medical professional or health care provider before trying any treatments to ensure to find out the best plan for you. This guide is for general information and educational purposes only. Regular check-ups and awareness can help to manage and prevent complications associated with these diseases conditions. If you or someone are suffering from this disease condition bookmark this website or share with someone who might find it useful! Boost your knowledge and stay ahead in your health journey. We always try to ensure that the content is regularly updated to reflect the latest medical research and treatment options. Thank you for giving your valuable time to read the article.

The article is written by Team RxHarun and reviewed by the Rx Editorial Board Members

Last Updated: July 14, 2025.