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Retinopathy of prematurity (ROP): optimal timing of clinical evaluation and standard procedures
A Reibaldi1, M Santocono, A Scuderi
1Department of Ophthalmology, University of Catania, Italy.
Insights
This study outlines a protocol for screening infants at risk for retinopathy of prematurity (ROP). Early detection and regular follow-up examinations are crucial for managing this potentially blinding condition in premature infants.
Area of Science:
- Ophthalmology
- Neonatology
- Pediatric Medicine
Background:
- Retinopathy of prematurity (ROP) is a significant cause of visual impairment in premature infants.
- Early detection and timely intervention are critical to prevent severe visual outcomes.
- Standardized protocols are essential for consistent ROP screening and management.
Purpose of the Study:
- To detail the institutional protocol for the initial and follow-up evaluation of high-risk infants for retinopathy of prematurity (ROP).
- To describe the specific methods for ophthalmoscopic examination and pharmacologic mydriasis in infants.
- To establish a timeline for ROP screening based on retinal maturity and clinical findings.
Main Methods:
- Infants underwent indirect binocular ophthalmoscopy with a +20 or +28-diopter lens after topical anesthesia and lid speculum insertion.
- Mydriasis was achieved using a stepwise instillation of tropicamide and phenylephrine eye drops.
- Initial examination occurred between 3-4 weeks of life, with follow-up frequency adjusted based on retinal findings and ROP presence.
Main Results:
- The protocol details a specific regimen for achieving adequate mydriasis in infants for ROP screening.
- Follow-up schedules were established: bi-weekly for retinal immaturity, weekly/bi-weekly for existing ROP, and monthly until vascularization reached the ora serrata.
- The protocol aims for consistent and thorough evaluation to monitor ROP progression.
Conclusions:
- The presented protocol provides a structured approach for ROP screening in high-risk premature infants.
- Adherence to this protocol facilitates early detection and appropriate management of retinopathy of prematurity.
- Consistent application of this ROP evaluation method is vital for preserving infant vision.
Abstract:
The authors present the protocol currently used in their institution for initial and follow-up evaluation of infants at high risk for developing retinopathy of prematurity (ROP). After topical anesthesia and lid speculum insertion, the examination is carried out using an indirect binocular ophthalmoscope with a +20 or +28-diopter lens. Mydriasis is achieved by instilling one drop of 1% tropicamide, followed by one drop of 0.5% tropicamide + 2.5% phenylephrine 15 minutes later and after an additional 15 minute interval, another drop of 1% tropicamide. If mydriasis is insufficient after one hour, one drop of a 0.5% tropicamide-5.0% phenylephrine solution may be instilled. The initial examination is performed between the third and fourth weeks of life. If any areas of retinal immaturity are found, the examination is repeated every other week and, later, every three to four weeks, until vascularization has reached the ora serrata. Should any sign of ROP be present during the first examination, the patient is examined weekly or every other week depending on the severity of clinical findings.