Strabismus · 2010
Treatment of accommodative insufficiency with plus lens reading addition: is +1.00 D better than +2.00 D?
Сравнительное исследованиеСтатьяРандомизированное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Wahlberg Marika, Abdi Saber, Brautaset Rune
Аннотация
PURPOSE: The aim of the present study was to evaluate if +2.00 D lens reading addition has the same effectiveness as +1.00 D reading addition in the treatment of accommodative insufficiency (AI).
METHODS: Initially 22 subjects (mean age 11.8 years, +/-3.54 SD) with AI were included in the study. The treatment was given according to a randomization list; 11 subjects were given +1.00 D reading addition and the other 11 were given +2.00 D reading addition, for 8 weeks of treatment. The Visual Analogue Scale (VAS) was used to evaluate the subjective degree of asthenopia before and after treatment.
RESULTS: The results showed a statistical significant improvement of the accommodative amplitude with +1.00 D reading addition after 8 weeks of treatment. In the +2.00 D reading addition group the improvement of accommodative amplitude was not significant. The reduction in VAS score was significant in both groups.
DISCUSSION: The results indicate that +2.00 D reading addition does not exercise the accommodative system in the same amount as +1.00 D reading addition to improve the accommodative amplitude. We therefore recommend that +2.00 D reading addition is not used for treatment of AI.
METHODS: Initially 22 subjects (mean age 11.8 years, +/-3.54 SD) with AI were included in the study. The treatment was given according to a randomization list; 11 subjects were given +1.00 D reading addition and the other 11 were given +2.00 D reading addition, for 8 weeks of treatment. The Visual Analogue Scale (VAS) was used to evaluate the subjective degree of asthenopia before and after treatment.
RESULTS: The results showed a statistical significant improvement of the accommodative amplitude with +1.00 D reading addition after 8 weeks of treatment. In the +2.00 D reading addition group the improvement of accommodative amplitude was not significant. The reduction in VAS score was significant in both groups.
DISCUSSION: The results indicate that +2.00 D reading addition does not exercise the accommodative system in the same amount as +1.00 D reading addition to improve the accommodative amplitude. We therefore recommend that +2.00 D reading addition is not used for treatment of AI.