| Eye disease or defect |
Characteristics |
| 1. Age related macular degeneration |
It is an eye condition that leads to the deterioration of the centre of the retina called macula. |
| 2. Astigmatism |
It is an imperfection in the curvature of retina. |
| 3. Cataract |
It is the clouding of the eye lens causing vision problems. |
| 4. Central retinal vein occlusion |
It is a blockage of the main vein in the retina. |
| 5. Colour blindness |
Occurs when we are unable to see colours in a normal way. |
| 6. Conjunctivitis |
It is the swelling of the conjunctiva, the eye becomes red, burning sensation in the eye, releases water. |
| 7. Corneal transplant |
Scars, swelling or an irregular shape can cause the cornea to scatter or distart light resulting in glare or blurring vision. |
| 8. Diabetic retinopathy |
It is a common diabetic eye disease caused by changes in retinal blood vessels. |
| 9. Dry eye or Xeropthalmia |
It is a condition where the eyes do not produce enough tears or the right quality of tears to be healthy or comfortable and eye becomes dry. |
| 10. Far sightedness (Hypermetropia) |
It is a refractive error, which means the eye does not bend or refract light properly. Images are formed behind the retina. |
| 11. Glaucoma |
It is a disease that damages the eyes optic nerve. This leads to high pressure in the back of the eye. |
| 12. Kerolitis |
It is a condition where the cornea be‐ comes swollen or inflamed, making the eye red and painful effecting vision. |
| 13.Macular edema |
It is a swelling or thickening of the macula, the area of the retina responsible for central vision. |
| 14. Near sightedness (Myopia) |
It is a refractive error, which means the eye does not bend or refract light properly. Image is formed in front of the retina. |
| 15. Optic neuritis |
It is an inflammation of the eye’s optic nerve. |
| 16. Retinopathy of prematurity |
Retinopathy of prematurity is an eye disease that occur in a small percentage of premature babies where abnormal blood vessels grow on the retina. |
| 17. Scleritis |
It is a painful swelling of the white part of the eye, which is also known as sclera. |
| 18. Detached retina and Torn retina |
A torn retina is when the retina tears in one or more places. A detached retina is when the retina is lifted off the wall of the eye. |
| 19. Night blindness |
Person suffering from night blindness cannot see things in dimlight or at nights. |
| 20. Trachoma |
It is an eye infection affecting both eyes, is the world’s leading cause of preventable blindness. It is caused by a bacterium called Chlamydia Trachomatis. |
