Myopia

Definition

Myopia, also known as nearsightedness, is a common vision condition in which distant objects appear blurry while close objects can be seen clearly. It occurs when the eyeball is too long or the cornea is too curved, causing light to focus in front of the retina instead of on it.

5 Must Know Facts For Your Next Test

1. Myopia affects approximately 30% of the population globally.
2. It is often diagnosed during childhood and can progress with age.
3. Corrective measures include glasses, contact lenses, and refractive surgery like LASIK.
4. Genetic factors play a significant role in the development of myopia.
5. Myopia is associated with an increased risk of retinal detachment and other eye conditions.

Review Questions

• What anatomical changes in the eye lead to myopia?
• How does myopia affect vision differently than hyperopia?
• What are some common treatment options for correcting myopia?

Related terms

Hyperopia: A vision condition in which distant objects are seen more clearly than near ones because light focuses behind the retina.

Astigmatism: An imperfection in the curvature of the eye's cornea or lens that causes blurred or distorted vision.

Presbyopia: An age-related condition where the eye's lens loses its ability to focus on close objects.