Author: Dr. Prachi Agashe,Paediatric Ophthalmologist, Squint Specialist and Neuro-ophthalmologist, Agashe Hospital, Mumbai
Premature birth, defined as delivery before 37 weeks of gestation, increases the risk of Retinopathy of Prematurity (ROP), a serious eye disorder caused by abnormal growth of retinal blood vessels. These vessels typically start developing in the third month of pregnancy and fully form by the ninth month. However, premature birth disrupts this process, leading to abnormal blood vessel growth in the retina, which can cause bleeding, scarring, and potential vision loss.
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The critical period for ROP development is between 35 to 40 weeks of gestation, when retinal blood vessels are still growing. Babies born before 32 weeks are at the highest risk. Factors like oxygen therapy and other environmental influences outside the womb can exacerbate the problem.
Early screening is crucial. ROP can progress rapidly, making it essential to detect the condition before permanent damage occurs. The first eye exam should take place before the baby reaches 30 days of life. Timely screening and treatment, such as laser therapy or injections, can prevent further damage to the retina and preserve vision.
In addition to ROP, premature babies are also at higher risk for other eye conditions, like refractive errors (e.g., nearsightedness) and strabismus (squints). Therefore, eye health should be monitored regularly.
By identifying ROP early, healthcare providers can offer treatment that significantly reduces the risk of blindness. Parents of premature infants must ensure their babies receive routine eye exams during their early weeks to safeguard their long-term vision.
Key Takeaways:
- Early screening for ROP should occur before 30 days of life.
- Critical period for ROP development is between 35-40 weeks gestation.
- Timely intervention can prevent vision loss and blindness.
