Presbyopia is a common type of vision disorder that occurs as you age and results in the inability to focus up close.
How does presbyopia occur?
Presbyopia happens naturally in people as they age. When you are younger, the lens of the eye is soft and flexible, allowing the tiny muscles inside the eye to easily reshape the lens to focus on close and distant objects. In Presbyopia, the eye is not able to focus light directly on to the retina due to the hardening of the natural lens. Aging also affects muscle fibers around the lens making it harder for the eye to focus on up close objects. The ineffective lens causes light to focus behind the retina, causing poor vision for objects that are up close.
Who is at risk for presbyopia?
Anyone over the age of 35 is at risk for developing the disorder.
Signs and symptoms include:
- Hard time reading small print
- Having to hold reading material farther than arm’s distance
- Problems seeing objects that are close to you
- Headaches
- Eye strain
Can I have presbyopia and another type of refractive error at the same time?
Yes, it is common to have this and another type of refractive error at the same time like nearsightedness (myopia), farsightedness and astigmatism.
How is corrected?
Eyeglasses are the simplest and safest means.
Citation: nei.nih.gov
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