which part of the eyes is most sensitive to pain? –answer cornea
which test is used for distant vision? answer - snellen test
what is the normal snellen test reading? answer - 20/20
what is the top number on a snellen test reading? answer - the
distance away from the snellen chart
what is the bottom number on a snellen test reading? answer -
the distance a person can see with normal vision
, what if a person can only read less than half of a line on the
snellen chart? answer - the grade will be the line above
what snellen chart score is considered legally blind? answer -
20/200
which test is used for close vision? - answer rosenbaum test
how far should the patient hold the rosenbaum chart? - answer
12-14 inches away
what is a normal rosenbaum test reading? answer - 14/14