Threshold Values of Myopic Anisometropia Causing Loss of Stereopsis

Table 4

Distribution of patients with different degrees of stereopsis for near according to the amount of astigmatic anisometropia (“with the rule” astigmatism).

Grade of stereopsis	(Near) cyl 90° +1		(Near) cyl 90° +2		(Near) cyl 90° +3		(Near) cyl 90° +4
		%		%		%		%
Absence	0	0.0	0	0.0	7	17.5	28	70.0
Poor	0	0.0	1	2.5	13	32.5	7	17.5
Moderate	7	17.5	29	72.5	18	45.0	5	12.5
Good	33	82.5	10	25.0	2	5.0	0	0.0
Total	40	100.0	40	100.0	40	100.0	40	100.0