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A new treatment option for amblyopia: liquid crystal glasses (Amblyz®)

Poster Details

First Author: I.Erbagci TURKEY

Co Author(s):    S. Okumus   V. Oner   E. Coskun   O. Celik   B. Oren        

Abstract Details


To evaluate the effectiveness of liquid crystal glasses (LCG) in the treatment of children with monocular amblyopia.


Fourteen amblyopic eyes of 14 children with monocular amblyopia were enrolled in this prospective non-comparative study which was carried out in Gaziantep University Medical School Hospital.


LCG with appropriate refractive correction were ordered for each patient. Each patient was examined with the new LCG before starting the treatment and then was examined monthly. The parents were informed about the use, care, and charging of the LCG. Best corrected visual acuity (BCVA) was measured as Snellen decimal notation and then converted to logarithm of the minimum angle of resolution (logMAR) scale for statistical analyses.


The mean age was 7.4±1.4 years. Ten patients (71.4%) had anisometropic amblyopia, 2 patients (14.2%) had strabismic amblyopia, and 2 patients (14.2%) had mixed amblyopia. The mean follow-up period was 4.0±1.2 (ranging from 3 to 7) months. The mean duration of using LCG was 8.2±2.5 (ranging from 4 to 12) hours/day. The mean logMAR BCVA of the amblyopic eyes was 0.6±0.3 at baseline. It improved to 0.3±0.2 at last visit and the difference was statistically significant (p<0.001). No side effect was observed. All of 14 patients (100%) used the LCG as suggested.


The current study demonstrated that LCG wear improved visual acuity in children with monocular amblyopia. Additional studies are needed to determine whether this effect is due to the LCG on/off feature or due to refractive correction alone.

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