On Jan. 13, 1958, a 2-year-old boy was seen who had a constant, left convergent strabismus of 35Δ. The onset was placed at 6 months of age, and no significant refractive error was found. As this squint was definitely monocular, the mother was advised to patch the child's fixating eye for one month. An Elastoplast ocular occluder was used continuously for this period. At the end of this time the child was seen in the office and was found to have lost the ability to fixate centrally with the eye which had been occluded. In my experience this was unusual, but as I had seen this happen several times, I felt no alarm. The mother was instructed to shift the patch to the other eye but not to start this until she and the child arrived home.
In about an hour a frantic call was received from the mother. She
HARDESTY HH. Occlusion AmblyopiaReport of a Case. AMA Arch Ophthalmol. 1959;62(2):314-316. doi:10.1001/archopht.1959.04220020140020