Abstract

SA.27.07

Anterior ciliary sclerotomy with collagen T-shaped implants for presbyopia reversal

Malyugin B., Antonian S., Lohman B. 
S. Fyodorov Eye Microsurgery Complex, Moscow, Russia

Objective: To assess the long-term clinical outcomes and evaluate the safety, efficacy and stability of anterior ciliary sclerotomy (ACS) with collagen T-shaped implants.
Methods: 19 patients (total 25 eyes) 43 to 57 years of age were enrolled in the trial, 5 males and 14 females. Implantation of four collagen segments of original design was performed in scleral pockets using modified Fukasaku technique. 6 patients have been followed during a period of 3.5 years; the others have been followed during a period of 2.5 years.
Results: The amplitude of accommodation and uncorrected near visual acuity (UCNVA) were improved in 23 eyes and remained stabile in 2 eyes during the early follow up period. The accommodative amplitude was 3.71±0.81 (pre-op); 6.21±0.75 (1 week post-op); 4.66±0.83 (7-9 months). The changes during the next periods were statistically insignificant (3.95±0.62 at 18 months; 2.38±1.05 at 30 months; 2.25±0.51 at 42 months). The UCNVA was 0.21±0.10 (pre-op); 0.72±0.29 (1 week post-op); 0.41±0.22 (7-9 months). The changes during the next periods were statistically insignificant (0.30±0.16 at 18 months; 0.28±0.17 at 30 months; 0.33±0.12 at 42 months). No significant changes in distance refraction, uncorrected distance visual acuity and intraocular pressure were revealed.
Conclusions: The safety profile and effectiveness of ACS for the treatment of presbyopia using collagen T-shaped implants is high, while stability is modest and diminishes with time.

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