Related Experiment Video
Updated: Jul 19, 2026

Monitoring Dynamic Growth of Retinal Vessels in Oxygen-Induced Retinopathy Mouse Model
Published on: April 2, 2021
Risk factors in the development of mild and severe retinopathy of prematurity
Imren Akkoyun1, Sibel Oto, Gursel Yilmaz
1Department of Ophthalmology, Baskent University, Faculty of Medicine, Ankara, Turkey. imrena@baskent-ank.edu.tr
Insights
Low birth weight and respiratory distress syndrome are key risk factors for developing mild retinopathy of prematurity (ROP). Low birth weight is also a significant predictor of severe ROP progression.
Area of Science:
- Neonatal care
- Ophthalmology
- Perinatal medicine
Background:
- Retinopathy of prematurity (ROP) is a significant cause of visual impairment in premature infants.
- Identifying risk factors is crucial for timely intervention and prevention of severe visual outcomes.
Purpose of the Study:
- To identify and evaluate independent risk factors associated with the development of mild and severe retinopathy of prematurity (ROP).
Main Methods:
- Retrospective analysis of 88 infants screened for ROP.
- Infants classified into no ROP, mild ROP (Stage 1-2), and severe ROP (Stage 3) groups.
- Logistic regression used to assess eight potential risk factors.
Main Results:
- Birth weight (BW) and respiratory distress syndrome (RDS) were significant risk factors for mild ROP.
- BW was a significant independent risk factor for progression to severe ROP.
- Gestational age and BW were significant risk factors for severe ROP in treated infants.
Conclusions:
- BW and RDS are independent risk factors for mild ROP.
- BW is a critical independent risk factor for the development of severe ROP.
Purpose:
To evaluate the risk factors in the development of mild and severe retinopathy of prematurity (ROP).
Methods:
All infants (n = 88) screened for ROP at a neonatal intensive care unit over a 2-year period with gestational age
Results:
Logistic regression analysis showed birth weight (BW) (p=0.019) and respiratory distress syndrome (p = 0.029) as independent significant risk factors for the development of stage 1 and 2 ROP, with BW (p < 0.0001) as an independent significant risk factor for the progression to stage 3 ROP. Total volume of blood transfusion and duration of artificial ventilation were also found to be risk factors with high rates of stage 3 ROP. In group C, BW
Conclusions:
This study showed BW and respiratory distress syndrome as independent risk factors in the development of mild ROP and BW in the development of severe ROP.
Related Concept Videos
Diabetic Retinopathy
Photoreceptors and Visual Pathways

