Zonular Cataract C1861821
Zonular cataract is a type of lens clouding that affects specific areas around the lens fibers. It may be present at birth or develop early in life and can interfere with vision. Surgical removal of the clouded lens with replacement often restores sight.
Key facts at a glance
- ICD-10
- H26.011, H26.012, H26.013
- ICD-11
- 9A00.0
- Body system
- ophthalmologic
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
blurred vision
(ophthalmologic)Generalized symptoms
(ophthalmologic)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
glare sensitivity
(ophthalmologic)difficulty driving at night
(ophthalmologic)difficulty reading small print
(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
Cataract surgery with IOL implantation
Surgical removal of the zonular cataract and implantation of an intraocular lens to restore vision clarity. This is the definitive treatment for visually significant cataracts affecting daily function.
Exercise prescription and weight management
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Regular ophthalmologic examinations
Frequent eye examinations to monitor cataract progression, assess visual acuity, and detect amblyopia risk especially in pediatric patients with zonular cataracts.
Additional treatment options
Lens extraction
Phacoemulsification or other lens extraction techniques to remove the clouded lens affected by zonular weakness. May require specialized techniques due to lens instability.
procedureVision therapy for amblyopia prevention
Post-surgical patching therapy and visual training exercises to prevent or treat amblyopia when zonular cataract affects visual development in one eye.
physical_therapyIntraocular pressure monitoring
Regular monitoring for secondary glaucoma, which can develop following cataract surgery or due to underlying conditions associated with zonular cataracts.
monitoringWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Zonular Cataract C1861821?
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.
American Academy of Ophthalmology. Preferred Practice Pattern for Pediatric Cataract. Ophthalmology. 2022.
Wilson ME, Trivedi RH. Pediatric Cataract Surgery: Current Techniques and Complications. Curr Opin Ophthalmol. 2020.
Vasavada AR, Praveen MR, Shah SK. Visual Outcomes After Surgery for Bilateral Zonular Cataract in Children. J Cataract Refract Surg. 2019.
Lambert SR, Lynn MJ, DuBois LG. Treatment Outcomes in Pediatric Cataract: A Systematic Review and Meta-Analysis. Ophthalmology. 2021.
Medication Comparisons
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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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy