| A | B |
|---|
| Strabismus | Eyes cannot be directed in a parallel manner to the same object |
| Retinopathy | Any disease of the retina |
| Presbyopia | Loss of accommodation of the lens occurring with age (farsightedness) |
| Nystagmus | Involuntary, constant, rhythmic movement of the eyeball |
| Myopia | Nearsightedness |
| Myopia: what can you see | Near objects are clear - distant objects are out of focus |
| Hyperopia | Farsightedness |
| Hyperopia: what can you see | Distant objects are clear - near objects are out of focus |
| Glaucoma | Increased intraocular pressure resulting in atrophy of the optic nerve |
| Conjunctivitis | Inflammation of the conjunctiva (pink eye) |
| Diplopia | Double vision |
| Cataract | Cloudiness or opacity of the lens |
| first degree burn | superficial/sunburn |
| Astigmatism | Unequal curvatures of the eye causing distortion of images |
