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Treatment of accommodative insufficiency with plus lens reading addition: is +1.00 D better than +2.00 D?

AbstractPURPOSE:
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.
AuthorsMarika Wahlberg, Saber Abdi, Rune Brautaset
JournalStrabismus (Strabismus) Vol. 18 Issue 2 Pg. 67-71 (Jun 2010) ISSN: 1744-5132 [Electronic] England
PMID20521882 (Publication Type: Comparative Study, Journal Article, Randomized Controlled Trial)
Topics
  • Accommodation, Ocular
  • Adolescent
  • Asthenopia (diagnosis, etiology)
  • Child
  • Eyeglasses
  • Female
  • Humans
  • Male
  • Optics and Photonics
  • Pain Measurement
  • Reading
  • Vision Disorders (complications, physiopathology, rehabilitation)

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