how can we?

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make a graph frm a test conducted by the snellen chart.. thanks

2007-12-30 04:55:44 · 2 answers · asked by jack 1 in Health ➔ Optical

2 answers

Hmmm. Is this a homework question?

To make a graph you need two things to measure, one for the Y axis and one for the X axis. Could be number of people and snellen acuity; could be age of person and acuity; could be percent of letters seen in each line and acuity; colour of eyes and acuity; time of day and acuiy; etc etc etc.

2007-12-30 05:12:08 · answer #1 · answered by Judy B 7 · 0⤊ 0⤋

HUH!!?????

2007-12-30 17:33:42 · answer #2 · answered by Liz 3 · 0⤊ 0⤋