To the Editor.
—I would like to register some reservations concerning the article by Bloom et al in the June Archives (1983;101:925-926), entitled "Laser Interferometric Visual Acuity in Senile Macular Degeneration."
The authors included in their study of patients with senile macular degeneration those with minimal yellowing of the nucleus and/or small, white peripheral anterior cortical opacities, ie, cataracts.
In the patients with "clear media" and macular degeneration, the degenerative changes were divided into "dry type" and "wet type," but no other breakdown of diagnosis was given, eg, possible geographic atrophy of the pigment epithelium of the macula, macular cyst or hole, or clear subretinal fluid at the macula associated with subretinal neovascular membrane.
The authors stated that oblique directions were used in testing the fringe pattern with the interferometer; however, those patients were not specified and this is important. (Resolution of grating pattern is better in
Faulkner HW. Macular Degeneration. Arch Ophthalmol. 1984;102(1):20–22. doi:10.1001/archopht.1984.01040030010005
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