Myopia

Definition

Myopia, also known as nearsightedness, is a common refractive error where distant objects appear blurry while close objects are seen clearly. It occurs when the eye shape causes light rays to focus in front of the retina instead of on it.

5 Must Know Facts For Your Next Test

1. Myopia can be corrected with glasses, contact lenses, or refractive surgery.
2. Pharmacological treatments for myopia include atropine eye drops which can slow the progression in children.
3. Myopia increases the risk of developing other eye conditions such as retinal detachment and glaucoma.
4. A higher prevalence of myopia is seen in populations with significant near work activities like reading and screen time.
5. Emerging therapies for myopia control include low-dose atropine and orthokeratology lenses.

Review Questions

• What are common correction methods for myopia?
• How does atropine eye drops help in managing myopia?
• What risks are associated with untreated or severe myopia?

Related terms

Hyperopia:

A refractive error where distant objects are seen more clearly than close ones due to light focusing behind the retina.

Astigmatism:

An imperfection in the curvature of the cornea or lens causing blurred or distorted vision.

Presbyopia:

Age-related loss of near focusing ability due to lens stiffening, typically occurring around age 40.