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Results for “ACCOMMODATION, OCULAR”

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At least 595 records · Page 33Linked to original sources
PubMed2000

Accommodative and vergence findings in ocular myasthenia: a case analysis.

Myasthenia gravis (MG) is a neuromuscular disorder that affects skeletal muscles, in particular, the extraocular muscles. Response variability is a hallmark sign. Detailed findings are described in a patient with MG in which the presenting sign was accommodative insufficiency. Objective accommodative findings were recorded 3 years before the onset of myasthenia, soon after the initial diagnosis was made, and then after the treatment commenced with pyridostigmine. In addition, clinical measurements were obtained periodically at different times of the day for various binocular motor functions, including near point of convergence, phoria, fusional and accommodative amplitudes, and relative accommodation. The disease adversely affected all accommodative and vergence findings, with fatigue being the primary disturbance. The therapeutic administration of pyridostigmine improved static measurements of accommodation and vergence and reduced asthenopia. The objective dynamic measurements of accommodation, vergence, and versions were less affected. These findings provide a clear demonstration that both intrinsic and extrinsic ocular muscles may be affected in the prepresbyopic myasthenic patient.

Accommodation, Ocular↗
PubMed1989

Effects of ocular functioning and time upon reading proficiency.

We hypothesize that children with fusional and/or accommodative abnormalities will tend to tire more readily when reading than will children with normal vision and that, consequently, they will show a greater decrement in reading proficiency over time on a task requiring reading. Forty-five subjects who passed the New York State Optometric Association Vision Screening Battery and 32 who failed were given a "maze" reading test developed for the study. The abnormal vision group made significantly more errors than did the normal vision group on the reading test. The abnormal vision group also made progressively more errors than did the normal vision group at the end of each segment of the reading test. The differences, however, were not statistically significant. While the correlations between speed and accuracy reversed over time, the abnormal vision group began and ended at the most extreme levels, having undergone a significantly more radical shift in this regard.

Accommodation, Ocular↗
PubMed1992

Cytomegalovirus retinitis complicated by optic neuropathy: a longitudinal study.

Two cases of suspected cytomegalovirus (CMV) retinitis treated with ganciclovir and followed for 18 and 5 months are presented. Each patient developed optic neuropathy and experienced reduced vision despite effective control of their retinitis. In addition to objective ocular findings, subjective visual function changes (perimetry, contrast sensitivity and accommodation) in long term follow up of AIDS patients are reported for the first time. A discussion of CMV, its treatment and complications follows.

Accommodation, Ocular↗