Use of Concave Lenses in the Management of Intermittent Divergent Squint

Frances Merrick

On the final day of the 1973 Conference, Dr. Goodwin Breinan remarked that ophthalmologists “fiddle” with plus lenses to help control convergent deviations; why not, he asked, use minus lenses to help control divergent deviations? From the multitude of papers delivered at that time, this question remained with me.