Precautions about certain conditions that might cause blindness

Conjunctivitis
Treatment of patients. Patient should used his towel, handkerchief separately.

Glaucoma
Regular check up of eyes usually after 40.

Corneal Ulcer
Protection of eyes, cleaning of eyes, isolation of patient, vitamin A supplement.

Iritis
Treatment of diseases.

Cataract
Avoid trauma.

Trachoma
hygienic environment, control of house flies, care of fomites, Early treatment of infection.

Retinopathy
Control of diabetes & hypertension.

Night Blindness
Vitamin a supplement.

Corneal Opacity
Early treatment of corneal ulcer.