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. 2013 Oct;8(4):298-302.

Transscleral diode laser photocoagulation for type 1 prethreshold retinopathy of prematurity

Mohammad Mehdi Parvaresh  1 , Khalil Ghasemi Falavarjani  1 , Mehdi Modarres  1 , Hossein Nazari  1 , Nahid Saiepour  1
Affiliations

Transscleral diode laser photocoagulation for type 1 prethreshold retinopathy of prematurity

Mohammad Mehdi Parvaresh et al. J Ophthalmic Vis Res. 2013 Oct.

Abstract

Purpose: To report the outcomes of transscleral diode laser photocoagulation for treatment of type 1 prethreshold retinopathy of prematurity (ROP).

Methods: In this prospective interventional case series, 139 eyes of 73 infants with type 1 prethreshold ROP underwent transscleral diode laser photocoagulation of the avascular retina under topical anesthesia without making a conjunctival incision. Supplemental transpupillary diode laser photocoagulation was used for zone 1 ROP in one eye. All patients were followed for 6 months. Main outcome measures were regression of ROP, incidence of unfavorable outcomes and adverse effects.

Results: At the end of follow-up, neovascularization regressed completely in all eyes and no eye developed an unfavorable outcome. Repeated laser therapy was performed employing the same technique in 3 eyes (2.3%). Ocular adverse effects were minor including mild conjunctival injection and edema in all patients, small conjunctival lacerations in 12 eyes (8.7%), minor self-limited vitreous hemorrhage in 2 eyes (1.4%) and mild self-limited hyphema in one eye (0.7%).

Conclusion: Transscleral diode laser photocoagulation is a safe and effective treatment option for type 1 prethreshold ROP. This technique can be performed under topical anesthesia.

Keywords: Laser Photocoagulation; Retinopathy of Prematurity; Transscleral.

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