Retinopathy of prematurity
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Retinopathy of prematurity | |
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Synonyms | ROP |
Pronounce | |
Specialty | Ophthalmology |
Symptoms | Abnormal blood vessel development in the retina |
Complications | N/A |
Onset | Premature infants |
Duration | |
Types | |
Causes | Premature birth |
Risks | Low birth weight, early gestational age |
Diagnosis | Eye examination |
Differential diagnosis | |
Prevention | |
Treatment | Laser therapy, cryotherapy, anti-VEGF therapy |
Medication | |
Prognosis | Varies; can lead to blindness if untreated |
Frequency | |
Deaths |
A disease of the eye affecting premature infants

Retinopathy of prematurity (ROP) is a potentially blinding eye disorder that primarily affects premature infants. It is characterized by abnormal development of retinal blood vessels. The condition can lead to retinal detachment and blindness if not properly managed.
Pathophysiology[edit | edit source]
ROP occurs when the normal development of the retinal blood vessels is disrupted. In a full-term infant, the blood vessels of the retina finish developing in the last few weeks of pregnancy. However, in premature infants, this process is incomplete. The abnormal growth of these vessels can lead to scarring and pulling on the retina, potentially causing retinal detachment.
Risk Factors[edit | edit source]
Several factors increase the risk of developing ROP, including:
- Premature birth, particularly before 31 weeks of gestation
- Low birth weight, especially less than 1500 grams
- High levels of oxygen therapy
- Sepsis
- Respiratory distress syndrome
Stages[edit | edit source]
ROP is classified into five stages, ranging from mild (Stage 1) to severe (Stage 5):
- Stage 1: Mildly abnormal blood vessel growth.
- Stage 2: Moderately abnormal blood vessel growth.
- Stage 3: Severely abnormal blood vessel growth.
- Stage 4: Partial retinal detachment.
- Stage 5: Total retinal detachment.
Diagnosis[edit | edit source]
ROP is diagnosed through a comprehensive eye examination by an ophthalmologist. The examination involves dilating the infant's pupils and using an ophthalmoscope to view the retina. Regular screenings are recommended for at-risk infants.
Treatment[edit | edit source]
Treatment for ROP depends on the severity of the condition. Options include:
- Laser therapy: Used to stop the abnormal growth of blood vessels.
- Cryotherapy: Freezing treatment to prevent further retinal damage.
- Anti-VEGF injections: Medications injected into the eye to inhibit the growth of abnormal blood vessels.
- Surgery: In advanced cases, surgery may be necessary to reattach the retina.
Prognosis[edit | edit source]
The prognosis for infants with ROP varies. Many infants with mild ROP improve without treatment and have normal vision. However, severe ROP can lead to significant visual impairment or blindness. Early detection and treatment are crucial for improving outcomes.
Prevention[edit | edit source]
Preventive measures focus on minimizing risk factors, such as careful monitoring of oxygen levels in premature infants and ensuring proper prenatal care to reduce the risk of premature birth.
See also[edit | edit source]
Classification | |
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Contributors: Kondreddy Naveen, Prab R. Tumpati, MD