A snellen chart(eye testing) has to be placed 6metre away from the patient. Can you suggest a method to test the vision using that chart in a room having only 4metre length.
hint: using plane mirror
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place the mirror at 3m and patient should see it through plane mirror from other side.
Sreyutti:
That would work. But the patient will see lateral inverted image. Am I right?
What to do for that?
yes the doctor should place as laterally inverted
It is the correct answer as today only I had experienced this
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