Optics & Refraction · NEET PG Preparation Ophthalmology
A 65-year-old female complains of difficulty reading small print and sewing, while her distance vision remains clear with her current glasses. This c…
Practice question from Optics & Refraction (NEET PG Preparation Ophthalmology), with the correct answer and a step-by-step solution.
easy · MCQ · Q-5CA88B
A 65-year-old female complains of difficulty reading small print and sewing, while her distance vision remains clear with her current glasses. This condition is primarily attributed to which of the following physiological changes?
- A.Opacification of the crystalline lens cortex
- B.Progressive decrease in elasticity of the crystalline lens and capsuleCorrect answer
- C.Weakening of the extraocular muscles
- D.Atrophy of the dilator pupillae muscle
Solution
Presbyopia is the age-related loss of accommodation, primarily caused by the progressive hardening and loss of elasticity of the crystalline lens and its capsule, along with age-related changes in the ciliary muscle.
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