In presbyopia, the lens thickens and loses its flexibility, and the
eye cannot focus on a near object. Light entering the eye is focused (focal
point) behind the retina instead of on the retina. This causes blurred vision.
Primary Medical Reviewer
Kathleen Romito, MD - Family Medicine
Specialist Medical Reviewer
Christopher J. Rudnisky, MD, MPH, FRCSC - Ophthalmology
How this information was developed to help you make better health decisions.