Form a group with five students in your class and collect eye diseases and its characteristics by talking with ophthalmic assistant. (AS 4)

a) Ophthalmoplegia- condition when the muscles of eyes of a person becomes weak or non-functional. It can affect as many as 6 muscles that hold the eye in its place. People that get affected with this have blurred vision, difficulty in moving eyes in different directions.

b) Cataract- it is the disease when the normal eye lens becomes cloudy. It occurs generally in old age due to ageing and results in decrease in vision. Cataract is a degenerative, age related eye disorder.

c) Glaucoma- It occurs when the eye produces more fluid than it drains thus causing a rise in the intraocular pressure. Enlarged eyeballs, lacrimation photophobia are few of the symptoms of the condition.

d) Conjunctivitis- the condition arises when the conjunctiva of the eye is exposed to irritants, bacteria etc. it results in swelling, burning, itching and redness of the eye. The treatment involves eye drops, ointments etc. to eliminate the infection.

e) Endophthalmitis- the condition is associated with inflammation of intraocular cavities- vitreous and aqueous humor. The condition usually arises upon infection. The treatment involves intravitreal injections, antibiotics and antifungals.