Eye and its diseases

The human eye is the vital organ of vision.

Having good eyesight greatly improves one's quality of life.Let us know some of its diseases....

-Astigmatism:It is a type of refractive error(like blurred vision )of the eye.

Symptoms;Visual activity is decreased,eye strain causes headache, cylindrical lens should be used.

 -Cataract;It is a clouding of the lens in the eye that affects vision(most common in older people).

Symptoms;Normal vision is hampered,blindness may be caused.Lens is removed and artificial lens is used.

-Glaucoma;It is a disease that damages the eye's optic nerve.

Symptoms;Aqueous humor pressure increases,it may cause blindness.

Glaucoma

-Hypermetropia(far sightedness);In this case distant objects can be seen clearly but can't see near objects.Image is formed behind retina, so biconvex lens should be used.

-Strabismus;Eye ball  turns to any of the sides.

-Trachoma;Redness in the eye,sensation for foreign body in the eye.

Eye healthy tips:-

-Eat right to protect your eyes(like carrots and fruits).

-Maintain a healthy weight.

-Quit smoking or never start..

-Give your eyes a rest..