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See clearly up close but blurry in the distance.

Condition of the eye where the light that

comes in does not directly focus on the retina

but in front of it.

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See clearly in the distance but blurry up close.

As an object moves toward the eye, the eye must

increase its optical power to keep the image in

focus on the retina. If the power of the cornea

and lens is insufficient, as in hyperopia, the

image will appear blurred.

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It is because of the shape of the cornea.

Is an optical defect in which vision is blurred due

to the inability of the optics of the eye to focus a

point object into a sharp focused image on the

retina. This may be due to an irregular or toric

curvature of the cornea or lens.

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Caused by a corneal scar or

scattering in the crystalline lens.

Cannot be corrected by standardspectacle lenses.

Can be corrected by contact

lenses.

Irregularastigmatism

Arising from either the cornea

or crystalline lens can be

corrected by a toric lens.Regularastigmatism

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A clouding of the lens inside the eye which

leads to a decrease in vision.

It is the most common cause of blindness and

is conventionally treated with surgery.

Visual loss occurs because opacification of the

lens obstructs light from passing and being

focused on to the retina at the back of the

eye.

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Difficulty focusing on objects that are close

Presbyopia

Increased pressure in the eye, which is most often painless.

Can develop poor night vision, blind spots, and loss of visionGlaucoma

Loss of central vision, blurred vision (especially while

reading), distorted vision and colors that look faded.

Macular

degeneration

Tiny particles drifting inside the eye, which may be confused

with retinal detachment.Floaters

Floaters, sparks or flashes of light in your vision, or a

sensation of a shade or curtain hanging across part of yourvisual field.Retinal detachment

Spots of light, halos, or zigzag patterns that appear before

the start of the headacheMigraine headaches

Eye infection, inflammation, or injury - Diabetic eye disease

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Wear sunglasses to protect your eyes.

Wear safety glasses when hammering, grinding, or using power tools.

If you need glasses or contact lenses, keep the prescription up to date.

Don't smoke.

Limit how much alcohol you drink.

Stay at a healthy weight.

Keep your blood pressure and cholesterol under control.

Keep your blood sugar under control if you have diabetes

Eat foods rich in antioxidants, like green leafy vegetables.

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