SM, a 47-year-old male, presented to an optometrist for an eyetest. He had a past history of a BB gun injury to the left eye atthe age of 12 for which he never sought any medical evaluation.Upon testing, his visual acuity with a reading card was 6/9(equivalent distance visual acuity) in both the eyes. The visualfield test showed that his left peripheral vision was impaired.Examination of the retina showed a large scar from the gun injuryin the peripheral nasal retina in the left eye; the maculae in boththe eyes were healthy.
a) What is accommodation of the lens? What controlsaccommodation of
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