Changes in pupil size following panretinal retinal photocoagulation: conventional laser vs pattern scan laser (PASCAL)

Purpose To evaluate and compare the possible changes in pupil size subsequent to panretinal laser photocoagulation (PRP) via conventional laser and pattern scan laser (PASCAL). Patients and methods Forty eyes of 40 patients with diabetic retinopathy were included. 20 eyes had a PRP via conventional...

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Bibliographic Details
Published in:Eye (London) 2016-10, Vol.30 (10), p.1359-1364
Main Authors: Yilmaz, I, Perente, I, Saracoglu, B, Yazici, A T, Taskapili, M
Format: Article
Language:English
Subjects:
692/699/3161/3173
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Aged
Aged, 80 and over
Clinical Study
Color Vision
Corneal Pachymetry
Diabetic Retinopathy - surgery
Diagnostic Techniques, Ophthalmological - instrumentation
Female
Humans
Intraocular Pressure - physiology
Laboratory Medicine
Laser Coagulation - methods
Lasers
Male
Medicine
Medicine & Public Health
Mesopic Vision
Middle Aged
Night Vision
Ophthalmology
Pharmaceutical Sciences/Technology
Pupil - physiology
Slit Lamp
Surgery
Surgical Oncology
Tonometry, Ocular
Visual Acuity - physiology
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Summary:Purpose To evaluate and compare the possible changes in pupil size subsequent to panretinal laser photocoagulation (PRP) via conventional laser and pattern scan laser (PASCAL). Patients and methods Forty eyes of 40 patients with diabetic retinopathy were included. 20 eyes had a PRP via conventional laser and formed Group 1. 20 eyes had a PRP via PASCAL laser and formed Group 2. The participants underwent standard ophthalmologic examination at baseline. Automated infrared pupillometry were performed at baseline and month 1. Results The mean pupillary measurements (mm) for Group 1 (in the order photopic, mesopic, and scotopic conditions) were 2.88±0.34, 3.38±0.40, and 3.95±0.38, and changed to 3.64±0.42, 4.18±0.42, and 4.58±0.48, respectively. There was significant increase in pupil size at month 1 ( P
ISSN:0950-222X
1476-5454
DOI:10.1038/eye.2016.135