Close vision is measure at separation of 30 to 40 cms. It is communicated in different documentations in light of the sort of graph utilized. Close vision can likewise be surveyed as a point measure at a predefined testing separation.
Close vision recorded as N taken after by a number alongside the test remove. The N shows the extent of the Times New Roman text style. For instance, N6 at 40cms implies that the littlest print estimate that the patient read was 6 point Times New Roman text style tried at 40cm.
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