Comparison of sensory fusion recovery in different types programming of liquid crystal glasses
Year: 2023, volume 19 Issue: №2 Pages: 121-124
Heading: Ophthalmology Article type: Original article
Authors: Aznauryan I.E., Shpak A.A., Balasanyan V.O., Agagulian S.G.
Organization: Association of Pediatric Eye Clinics "Yasnyi Vzor", Moscow, Russia , The S. Fyodorov Eye Microsurgery Federal State Institution
Heading: Ophthalmology Article type: Original article
Authors: Aznauryan I.E., Shpak A.A., Balasanyan V.O., Agagulian S.G.
Organization: Association of Pediatric Eye Clinics "Yasnyi Vzor", Moscow, Russia , The S. Fyodorov Eye Microsurgery Federal State Institution
Summary:
Objective: to compare the effectiveness of new method of sensory fusion recovery in patients with personalized adjustment of the frequency of alternation of liquid crystal glasses (LCG) compared with the empirical selection of the frequency of alternation. Material and methods. The study included 39 patients with concomitant convergent strabismus with orthotropy and no sensory fusion after surgical treatment of strabismus, who were prescribed LCG. The glasses were programmed empirically at 2 Hz in 21 patients (empiric group), in 18 patients — using the developed formula for calculating the frequency of alternation of LCG (calculated group). The compared groups did not differ in gender, age, visual acuity, and other characteristics. Results. Recovery of sensory fusion occurred more often with LCG in calculated group (16 patients, 88.9%) than in empiric group (9 patients, 42.9%), the difference is highly reliable (p=0.001). Conclusions. Anew method for personalized selection of the frequency of alternating LCG using video oculography is more efficient than empirical programming for sensory fusion restoration in children after surgery for concomitant convergent strabismus.
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