On the impact of seasonal solar activity on the progression of retinopathy of prematurity: preliminary research results
https://doi.org/10.21516/2072-0076-2019-12-4-19-27
Abstract
Purpose. To study the effect of bright sunlight on immature retina of a premature baby at different periods of solar activity.
Material and methods. The study involved two groups of premature babies: 32 babies (64 eyes) in 2016 and 50 babies (100 eyes) in 2017. Both groups were tested using a retinal camera (RetCam Shuttle, USA) on the 3rd or 4th week after birth. In cases of threshold stages of retinopathy of prematurity (ROP) binocular ophthalmoscopy were performed. In such cases, laser coagulation of the retina was performed using "ALOD 01" (ALCOM Medica, Russia).
Results. The greatest number of ROP with the greatest number of surgical interventions and adverse outcomes that required vitreoretinal surgery were revealed in the second seasonal period (May — August), which experienced the highest solar activity. In 2016, the amount of ROP cases diagnosed in this period amounted to 59 %, which is comparable with the corresponding amount revealed in 2017 (61.1 %).
Conclusions. Stronger solar activity and its longer periods increase the risk of ROP; consequently, to prevent this pathology, the eyes of the newborn should be protected from the negative effects of daylight and artificial light, including that emitted by diagnostic equipment.
About the Authors
A. N. EpikhinRussian Federation
Сand. of Med. Sci., associate professor, head of the Department of ophthalmology
29, Nakhichevansky Per., Rostov-on-Don, 344022, Russia
U. N. Epikhina
Russian Federation
Сand. of Med. Sci., ophthalmologist
29, Nakhichevansky Per., Rostov-on-Don, 344022, Russia
O. A. Ushnikova
Russian Federation
ophthalmologist
14, 339th Strelkovoj divizii St., Rostov-on-Don, 344015, Russia
A. N. Ushnikov
Russian Federation
Сand. of Med. Sci., director of ophthalmology center
14, 339th Strelkovoj divizii St., Rostov-on-Don, 344015, Russia
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Review
For citations:
Epikhin A.N., Epikhina U.N., Ushnikova O.A., Ushnikov A.N. On the impact of seasonal solar activity on the progression of retinopathy of prematurity: preliminary research results. Russian Ophthalmological Journal. 2019;12(4):19-27. (In Russ.) https://doi.org/10.21516/2072-0076-2019-12-4-19-27