Changes in Central Macular Thickness following Single Session Multispot Panretinal Photocoagulation

Purpose. To determine changes in central subfield (CSF) macular thickness and best corrected visual acuity (BCVA) following single session, multispot panretinal photocoagulation (PRP). Methods. Forty eyes of 33 patients with newly diagnosed proliferative diabetic retinopat...

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Main Authors: Nawat Watanachai, Janejit Choovuthayakorn, Direk Patikulsila, Nimitr Ittipunkul
Format: Article
Language:English
Published: Wiley 2015-01-01
Series:Journal of Ophthalmology
Online Access:http://dx.doi.org/10.1155/2015/529529
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author Nawat Watanachai
Janejit Choovuthayakorn
Direk Patikulsila
Nimitr Ittipunkul
author_facet Nawat Watanachai
Janejit Choovuthayakorn
Direk Patikulsila
Nimitr Ittipunkul
author_sort Nawat Watanachai
collection DOAJ
description Purpose. To determine changes in central subfield (CSF) macular thickness and best corrected visual acuity (BCVA) following single session, multispot panretinal photocoagulation (PRP). Methods. Forty eyes of 33 patients with newly diagnosed proliferative diabetic retinopathy were treated with single session, 20-millisecond, multispot PRP. Changes in central macular thickness and BCVA at 4- and 12-week follow-up were compared to baseline measurements. Results. Each eye received a mean (SD) of 2,750 (686.7) laser spots. At 4-week follow-up, there was a statistically significant 24.0 μm increase in mean CSF thickness (P=0.001), with a 17.4 μm increase from baseline at 12-week follow-up (P=0.002). Mean logMAR BCVA increased by 0.05 logMAR units (P=0.03) at 4-week follow-up. At 12-week follow-up, BCVA had almost returned to normal with only an increase of 0.02 logMAR units compared to baseline (P=0.39). Macular edema occurred in 2 eyes (5%) at 12-week follow-up. Conclusions. Macular thickening occurs following single session, 20-millisecond, multispot PRP, with a corresponding, mild change in BCVA. However, the incidence of macular edema appears to be low in these patients. Single session, 20-millisecond, multispot PRP appears to be a safe treatment for patients with proliferative diabetic retinopathy.
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spelling doaj-art-8a25b41835f64665af587385aa066b362025-02-03T01:24:32ZengWileyJournal of Ophthalmology2090-004X2090-00582015-01-01201510.1155/2015/529529529529Changes in Central Macular Thickness following Single Session Multispot Panretinal PhotocoagulationNawat Watanachai0Janejit Choovuthayakorn1Direk Patikulsila2Nimitr Ittipunkul3Department of Ophthalmology, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, ThailandDepartment of Ophthalmology, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, ThailandDepartment of Ophthalmology, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, ThailandDepartment of Ophthalmology, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, ThailandPurpose. To determine changes in central subfield (CSF) macular thickness and best corrected visual acuity (BCVA) following single session, multispot panretinal photocoagulation (PRP). Methods. Forty eyes of 33 patients with newly diagnosed proliferative diabetic retinopathy were treated with single session, 20-millisecond, multispot PRP. Changes in central macular thickness and BCVA at 4- and 12-week follow-up were compared to baseline measurements. Results. Each eye received a mean (SD) of 2,750 (686.7) laser spots. At 4-week follow-up, there was a statistically significant 24.0 μm increase in mean CSF thickness (P=0.001), with a 17.4 μm increase from baseline at 12-week follow-up (P=0.002). Mean logMAR BCVA increased by 0.05 logMAR units (P=0.03) at 4-week follow-up. At 12-week follow-up, BCVA had almost returned to normal with only an increase of 0.02 logMAR units compared to baseline (P=0.39). Macular edema occurred in 2 eyes (5%) at 12-week follow-up. Conclusions. Macular thickening occurs following single session, 20-millisecond, multispot PRP, with a corresponding, mild change in BCVA. However, the incidence of macular edema appears to be low in these patients. Single session, 20-millisecond, multispot PRP appears to be a safe treatment for patients with proliferative diabetic retinopathy.http://dx.doi.org/10.1155/2015/529529
spellingShingle Nawat Watanachai
Janejit Choovuthayakorn
Direk Patikulsila
Nimitr Ittipunkul
Changes in Central Macular Thickness following Single Session Multispot Panretinal Photocoagulation
Journal of Ophthalmology
title Changes in Central Macular Thickness following Single Session Multispot Panretinal Photocoagulation
title_full Changes in Central Macular Thickness following Single Session Multispot Panretinal Photocoagulation
title_fullStr Changes in Central Macular Thickness following Single Session Multispot Panretinal Photocoagulation
title_full_unstemmed Changes in Central Macular Thickness following Single Session Multispot Panretinal Photocoagulation
title_short Changes in Central Macular Thickness following Single Session Multispot Panretinal Photocoagulation
title_sort changes in central macular thickness following single session multispot panretinal photocoagulation
url http://dx.doi.org/10.1155/2015/529529
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