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To the Editor.
—In reference to Dr Ira Abrahamson's letter regarding Ocusert (The Archives 93:317, 1975), I would like to make the following comments from personal experience acquired over the past year and a half using Ocusert in glaucoma patients.Displacement of the Ocusert does occasionally occur during the first few weeks of adaptation. The patient, of course, is warned of this possibility. As we have all experienced with contact lens patients, this movement decreases with continued wearing.Patients who have adapted to the Ocusert unit seem to develop a "sixth sense" of impending displacement and rapidly learn to reposition the unit through the eyelid before it moves very far.I have not had any patients complain of displacement that has led to any obstruction of vision. Further, none has experienced to any degree those displacement problems that occur with great frequency among contact lens wearers.
Pearson DC. Complications With the Use of Ocusert. Arch Ophthalmol. 1976;94(1):168. doi:10.1001/archopht.1976.03910030090025
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