Corneal allograft rejection is an immunologic response in which the recipient’s immune system specifically attacks donor corneal tissue, leading to inflammation, edema, and potential graft failure. ...
Corneal Allogenic Intrastromal Ring Segments (CAIRS) are tiny arc‑shaped implants carved from donor (allogenic) corneal stroma. These segments are inserted into precise pockets within the patient’s ...
Whorl keratopathy—also known as vortex keratopathy or cornea verticillata—is a pattern of fine, golden‑brown or grayish opacities in the basal layer of the corneal epithelium that arrange themselves ...
Cornea verticillata—also known as vortex keratopathy or whorl keratopathy—is a pattern of fine, golden‑brown or gray opacities arranged in a characteristic whorl or vortex pattern within the basal ...
Cornea transplantation–induced glaucoma is a form of secondary glaucoma that arises after corneal graft procedures such as penetrating keratoplasty (PKP), Descemet’s membrane endothelial keratoplasty ...
Cornea plana is a rare congenital eye disorder in which the transparent, dome‑shaped front window of the eye (the cornea) is abnormally flat. Instead of the normal rounded curvature, the cornea in ...
Cornea farinata is a benign, degenerative condition of the cornea characterized by innumerable, fine, dust‑like opacities located in the deep posterior stroma immediately anterior to Descemet’s ...
Conversion disorder, also known as Functional Neurological Symptom Disorder (FNSD), is a psychiatric condition in which patients experience genuine neurological symptoms—such as sensory disturbances ...
Convergence Insufficiency (CI) is a common binocular vision disorder in which the eyes have difficulty turning inward together when looking at nearby objects. People with CI often experience double ...
Convergence ability refers to the coordinated inward movement of both eyes so that the visual axes intersect at a near point, allowing clear and single binocular vision of close objects. This complex ...
Contact lens complications occur when the tissues of the eye react negatively to the presence or improper use of contact lenses. These reactions can range from mild discomfort and dryness to serious ...
Conjunctivochalasis is an eye condition in which the conjunctiva—the clear membrane covering the white part of the eye—becomes loose and redundant, creating folds that lie between the globe of the ...
Conjunctival telangiectasia is a condition characterized by the dilation of tiny blood vessels—typically measuring 0.5 to 1.0 mm in diameter—on the surface of the conjunctiva, the transparent ...
Conjunctival Reactive Lymphoid Hyperplasia (CRLH) is a benign lymphoproliferative disorder characterized by a polyclonal proliferation of lymphoid tissue in the conjunctiva. It most often occurs in ...
Conjunctival papilloma is a benign (non‑cancerous) growth that arises from the surface cells of the conjunctiva, the thin, clear membrane covering the white part of your eye and the inner eyelids. ...
Conjunctival melanocytic tumors are abnormal growths of the pigment-producing cells (melanocytes) that reside in the thin, clear membrane covering the white of the eye and inner eyelid (the ...
Conjunctival lymphoma is a malignant tumor arising from the lymphoid tissue located in the conjunctiva, the thin membrane covering the white part of the eye and the inner eyelids. It represents a ...
Conjunctival lymphangiectasia is an uncommon eye condition characterized by the visible swelling and dilation of lymphatic vessels within the conjunctiva—the thin, transparent membrane covering the ...
Conjunctival keloid is a rare, benign ocular condition characterized by the excessive growth of scar tissue on the conjunctiva, the clear membrane covering the white of the eye and the inner surface ...
A conjunctival inclusion cyst is a benign, fluid‑filled sac that forms on the surface of the eye, specifically within the conjunctiva, the thin clear membrane covering the white part of the eye. The ...
