Threshold Values of Myopic Anisometropia Causing Loss of Stereopsis

Table 1

Classification of the degree of stereopsis.

Grade of stereopsis	Near (sec. of arch)	Distance (sec. of arch)
Good	40, 50, 60, 80, 100	60, 100
Moderate	140, 200, 400	200
Poor	800	400
Absence	∝	∝