Purpose: To check whether a test based on Pulfrich's stereophenomenon can be applied to determine stereopsy.
Material And Methods: The group of 24 patients with normal visual acuity and stereopsy and 15 with ambylopia without stereopsy were tested with Pulfrich's pendulum test.
Results: This method yielded 24 positive and 15 negative cases confirming the previous assessments. Neither false positive nor false negative cases were recorded.
Conclusion: The simplicity and reliability of this method in determining stereopsy provide arguments for its widespread use.
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