Threshold Values of Myopic Anisometropia Causing Loss of Stereopsis

Table 10

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

Grade of stereopsis	(Distance) cyl 90° +1		(Distance) cyl 90° +2		(Distance) cyl 90° +3		(Distance) cyl 90° +4
		%		%		%		%
Absence	3	7.5	15	37.5	35	87.5	39	97.5
Poor	4	10.0	12	30.0	3	7.5	1	2.5
Moderate	14	35.0	8	20.0	1	2.5	0	0.0
Good	19	47.5	5	12.5	1	2.5	0	0.0
Total	40	100.0	40	100.0	40	100.0	40	100.0