Retinopathy Of Prematurity Zone I C4703698
The most serious zone classification of abnormal retinal blood vessel growth in premature infants. Zone I involves the innermost part of the retina and carries high risk for vision-threatening complications. Requires close monitoring and early treatment.
Key facts at a glance
- ICD-10
- H53.9
- ICD-11
- 9A00.0
- Body system
- ophthalmologic
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Retinal detachment
Vitreous hemorrhage
Leukocoria
Generalized symptoms
(ophthalmologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Abnormal retinal vascularization
(ophthalmologic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Laser Photocoagulation
Peripheral retinal ablation using laser to eliminate avascular areas driving abnormal neovascularization. The standard treatment for zone I ROP requiring intervention due to high progression risk.
Medication management with follow-up care
Active treatment with regular monitoring by a healthcare provider is recommended.
Intravitreal Bevacizumab (Anti-VEGF)
Targeted injection therapy suppressing VEGF-mediated abnormal vessel proliferation in zone I disease where laser may cause unacceptable visual field damage.
Additional treatment options
Intensive Retinal Screening Protocol
Serial examinations every 1-2 weeks until complete vascularization or treatment indication. Includes wide-field digital imaging for precise documentation of disease activity.
monitoringLens-Sparing Vitrectomy
Surgical removal of vitreous and tractional membranes while preserving the natural lens. Reserved for cases with significant traction or early detachment unresponsive to initial interventions.
surgicalDevelopmental Vision Assessment
Functional vision evaluation by developmental optometrist to assess and support visual development, particularly important when zone I disease threatens central vision.
complementaryWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is Retinopathy Of Prematurity Zone I C4703698?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Fierson WM, American Academy of Pediatrics Section on Ophthalmology. Screening examination of premature infants for retinopathy of prematurity. Pediatrics. 2018;142(6).
Mintz-Hittner HA, Kennedy KA, Chuang AZ. Efficacy of intravitreal bevacizumab for stage 3+ retinopathy of prematurity. N Engl J Med. 2011;364(7):603-615.
Quinn GE, Gilbert C, Darlow BA, Zin A. Retinopathy of prematurity: advances in the detection and management. Prog Retin Eye Res. 2020;77:100814.
Sankar MJ, Sankar J, Mehta M, Agarwal R, Paul VK. Anti-vascular endothelial growth factor (VEGF) drugs for treatment of retinopathy of prematurity: a network meta-analysis. Cochrane Database Syst Rev. 2018;12:CD009734.
Medication Comparisons
Compare medications used to treat Retinopathy Of Prematurity Zone I C4703698. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy