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What is Jaegers cha is used to measure and explain in detail?
Jaeger's cha is used for measuring Near Vision The Jaeger cha is an eye cha used in testing near vision acuity. It is a card on which paragraphs of text are printed, with the text sizes increasing from 0.37mm to 2.5mm. This card is to be held by a patient at a fixed distance from the eye dependent on the J size being read. The smallest print that the patient can read determines their visual acuity