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Graefes Arch Clin Exp Ophthalmol. 1995 Jul;233(7):407-13.

Visual acuities and scotomas after 3 weeks' levodopa administration in adult amblyopia.

Author information

1
Foerderer Eye Movement Center for Children, Wills Eye Hospital, Philadelphia, PA 19107, USA.

Abstract

BACKGROUND:

Previous studies have shown that both a single dose of levodopa and a 1-week administration of levodopa improve visual functions in adult amblyopic patients. In the present study, we investigated the effect of increased dosage and duration of levodopa on amblyopes' visual functions.

METHODS:

Visual acuity and visual fields were examined before and after 3 weeks of daily administration of levodopa/carbidopa as well as 1 month and 2 months after completion of drug therapy in a double masked-design.

RESULTS:

A significant increase in visual acuities and a decrease in fixation point scotomas were found. Changes were of comparable dimension to those found after 1 week of levodopa administration. Improvement of visual functions persisted 2 months after the levodopa/carbidopa administration was completed.

CONCLUSION:

The present study confirms previous findings of improvement in visual function in amblyopia after levodopa/carbidopa administration. However, increasing the dosage and the duration of levodopa did not enhance the effect in adults.

PMID:
7557504
[Indexed for MEDLINE]

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