PITX3 early-onset non-syndromic cataract is a rare genetic eye condition where a baby or young child develops a cloudy lens (cataract) because of harmful ...

A cataract is a health condition where the clear natural lens inside your eye becomes cloudy, so light cannot pass through properly and your vision slowly ...

Congenital cataract-microcornea syndrome is a rare genetic eye disease in which a baby is born with a cloudy lens (congenital cataract) and an unusually small ...

 Benign inoculation lymphoreticulosis; benign lymphoreticulosis, also called benign lymphoreticulosis, is an older medical name for what we now usually call ...

Butterfly-shaped pigmentary macular dystrophy (often shortened to “butterfly-shaped pattern dystrophy”) is a rare, inherited eye condition. It affects the ...

Butterfly-shaped pattern dystrophy is a rare, inherited eye condition that mainly affects the macula, the sharp-vision center of the retina. In this condition, ...

Hereditary Bullous Dystrophy, Macular Type is a rare eye disease that you are born with. It mainly affects the clear front window of the eye called the cornea. ...

Macular corneal dystrophy (MCD) is an inherited eye disease where cloudy deposits develop in the clear front window of the eye (the cornea). These gray-white ...

Brittle cornea syndrome type 1 (BCS1) is a very rare, inherited connective-tissue disorder where the clear front window of the eye (the cornea) is extremely ...

Brittle cornea syndrome is a very rare inherited disorder that makes the clear front window of the eye (the cornea) extremely thin and fragile. Because the ...

Prolonged electroretinal response suppression (PERRS) is a rare eye condition. After light shines in the eye, the retina should recover quickly. In PERRS, the ...

Difficulty seeing moving objects means a person can see still things fairly well, but when things move, they are hard to detect, follow, or judge. Some people ...

Bradyopsia means “slow vision.” People with this condition have very slow adjustment when light changes. When they come out of a dark room into bright light, ...

Västerbotten dystrophy is a rare inherited eye disease that damages the retina and gradually reduces vision. It usually begins in childhood with night ...

Bothnia retinal dystrophy (BRD) is a rare, inherited eye disease. It usually begins in childhood with night blindness and very slow dark adaptation. Over time, ...

Bosch-Boonstra-Schaaf optic atrophy–intellectual disability syndrome (BBSOAS / NR2F1-related disorder) written in very simple English. BBSOAS is a rare, ...

Tritanomaly is a blue–yellow color vision deficiency. Your eye has three kinds of cone cells to see color: red-sensing (L), green-sensing (M), and blue-sensing ...

A tritan defect is a problem with seeing and separating colors along the blue–yellow line. It happens when the short-wavelength (S) cones in the retina do not ...

Tritan colour blindness is a problem with telling blue from green and yellow from violet. In this condition, the short-wavelength cone cells in the retina ...

Tritan color blindness is a problem with seeing blue and yellow correctly. It happens when the S-cones (short-wavelength cones) in the retina—or the ...