In Urdu charts, instead of "20/20," you may see fractions like 6/6 (metric system used in many countries). Both mean the same: normal vision.
Language barriers in healthcare are serious. Imagine trying to read letters you don’t recognize. Your vision might be perfect, but because you cannot identify an English letter like "E" or "F," you would fail the test. This leads to misdiagnosis. snellen chart urdu