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Published on: March 24, 2020
Congenital Cataract Screening
Zhale Rajavi1, Hamideh Sabbaghi2
1Ophthalmic Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Insights
Early diagnosis and treatment of congenital cataracts are crucial for preventing vision loss in children. Prompt surgical intervention and comprehensive postoperative care, including optical correction and amblyopia management, are essential for optimal visual outcomes.
Area of Science:
- Ophthalmology
- Pediatric Medicine
- Visual System Development
Background:
- Congenital cataract is a primary cause of visual deprivation in children.
- Early intervention is critical to prevent irreversible damage to the developing visual system.
Purpose of the Study:
- To outline the essential steps for the early diagnosis, management, and long-term follow-up of congenital cataracts.
- To emphasize the importance of timely surgical intervention and appropriate postoperative care for achieving optimal visual outcomes.
Main Methods:
- Screening neonates via red reflex examination at birth.
- Referral of suspected cases to specialized ophthalmic centers.
- Surgical intervention within specific age windows (unilateral <6 weeks, bilateral <10 weeks).
- Postoperative management including optical correction and amblyopia treatment.
Main Results:
- Early surgery (<6 weeks for unilateral, <10 weeks for bilateral) significantly improves visual outcomes.
- Timely optical correction (aphakic glasses, contact lenses, or IOLs) and amblyopia treatment are vital.
- Long-term follow-up is necessary to monitor for complications like posterior capsular opacity, glaucoma, and amblyopia.
Conclusions:
- Congenital cataract management requires a multidisciplinary approach, starting with early detection and continuing through surgery and long-term care.
- Adherence to recommended surgical timelines and postoperative strategies is crucial for maximizing visual potential in affected children.
- Ongoing monitoring for potential complications and equitable access to care are paramount.
Abstract:
Congenital cataract is a leading cause of visual deprivation which can damage the developing visual system of a child; therefore early diagnosis, management and long-term follow-up are essential. It is recommended that all neonates be screened by red reflex examination at birth and suspected cases be referred to ophthalmic centers. Early surgery (<6 weeks of age, based on general neonatal health) is important for achieving the best visual outcome particularly in unilateral cases. In bilateral cases, surgery is highly recommended before appearance of strabismus or nystagmus (<10 weeks of age) with no longer than a one-week interval between the fellow eyes. Parents should be informed that surgery is a starting point and not the endpoint of treatment. Appropriate postoperative management including immediate optical correction in the form of aphakic glasses or contact lenses, or intraocular lens (IOL) implantation at the appropriate age (>1 year) is highly recommended. After surgery, amblyopia treatment and periodic follow-up examinations should be started as soon as possible to achieve a satisfactory visual outcome. Practitioners should consider the possibility of posterior capsular opacity, elevated intraocular pressure and amblyopia during follow-up, especially in eyes with microphthalmia and/or associated congenital anomalies. All strabismic children should undergo slit lamp examination prior to strabismus surgery to rule out congenital lens opacities. From a social point of view, equal and fair medical care should be provided to all children regardless of gender.

