When the eye gradually loses its power of accommodation, a person cannot see objects distinctly and comfortably, leading to blurred vision. This is due to refractive defects of the eye.
What happens to a person’s vision when the eye gradually loses its power of accommodation, and why does the vision become blurred?
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When the eye gradually loses its power of accommodation, a condition known as presbyopia occurs, typically with age. The crystalline lens becomes less flexible, making it challenging for the ciliary muscles to adjust the lens shape for near vision. This results in difficulty focusing on close objects, causing blurred vision during tasks like reading. As the eye loses its ability to accommodate effectively, near-point vision is compromised, necessitating the use of reading glasses or other corrective lenses. Presbyopia is a common age-related vision change, and its onset leads to challenges in maintaining clear focus on close-up objects.