Presbyopia

Definition

Presbyopia is an age-related condition in which the eye's lens loses its ability to focus on close objects. It commonly begins to affect individuals over the age of 40.

5 Must Know Facts For Your Next Test

1. Presbyopia is caused by a gradual thickening and loss of flexibility of the lens inside the eye.
2. Symptoms include difficulty reading small print, needing to hold reading materials at arm's length, and eye strain or headaches.
3. Presbyopia can be corrected with eyeglasses, contact lenses, or surgery such as LASIK or lens implants.
4. Pharmacologic treatments for presbyopia are under research but not yet widely available; current management primarily involves optical aids.
5. The condition affects everyone eventually, regardless of previous visual acuity.

Review Questions

• What causes presbyopia and at what age does it typically begin?
• How can presbyopia be managed or treated?
• What are common symptoms that indicate someone might have presbyopia?

Related terms

Myopia: A condition where close objects appear clearly, but distant ones do not.

Hyperopia: A condition where distant objects may be seen more clearly than close ones.

Astigmatism: A common imperfection in the curvature of the eye causing blurred vision.