Conjunctivitis
It is inflammation of the conjunctival tissue.

Glaucoma
It is due to raised intraocular pressure damaging the optic nerve head, causing defect in visual field.

Corneal Ulcer
It is ulcer of the cornea. Types of ulcer – Bacterial, Fungal, Viral.

Iritis
It is inflammation of iris. Types of iritis are acute, recurrent & chronic.

Cataract
It is the condition when lens of the eye looses its transparency and becomes opacified. Hence light can not pass through the lense in required level.

Refractive Errors
Normally light rays coming from an object fall on retina to form a image. If rays coming from object either fall in front or back of retina it is called as refractive error.

Types
a) Hypermetropia b) Myopia c) Astigmatism d) Presbiopia

Trachoma
It is a chronic contagious disease caused by chlamydia group of viruses.

Retinopathy
It is inflammation of retinal blood vessels. In these cases exudates & hemorrhages are seen in retina.

Squint
It is abnormal condition when one eye fixes at the object and the other eye turns in different direction.

Night Blindness
It is a condition where Patient is getting difficulty to see in the night.

Corneal Opacity
It is a condition where corneal transparency is lost. It complete or partial.