Dr Mackool offers several thoughts regarding the patterns of use of preoperative ophthalmic tests reported by the ophthalmologists who responded to our survey and the associations we observed between particular ophthalmologist characteristics and those self-reported patterns of use.Dr Mackool is correct in his suspicion that there is a positive correlation between an ophthalmologist's annual volume of cataract surgery and the likelihood that he or she performs cataract surgery in an ambulatory surgical center rather than a hospital. This correlation does not explain our findings, however, which, based on multiple regression analysis, demonstrated that both of these characteristics are independently associated with a higher probability of self-reported frequent or universal performance of contrast sensitivity testing, potential acuity measurement, and specular microscopy in patients being evaluated for cataract surgery who had no history of ocular comorbidity.We are not aware of any data that support Dr Mackool's contention that
Steinberg EP, Bass EB. Variation in Ophthalmic Testing Before Cataract Surgery-Reply. Arch Ophthalmol. 1995;113(7):849. doi:10.1001/archopht.1995.01100070019005
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