Abnormal Pupil Shape C0271134
A condition where one or both pupils are not their normal round shape. Various causes exist, ranging from benign to conditions requiring medical attention.
Key facts at a glance
- ICD-10
- H53.9
- ICD-11
- 9A00.0
- Body system
- ophthalmologic
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
sudden vision loss
Generalized symptoms
(ophthalmologic)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
photophobia
(ophthalmologic)blurred vision
(ophthalmologic)eye discomfort
(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
Comprehensive eye examination
Detailed ophthalmologic evaluation including pupillary response testing, fundoscopic examination, and imaging to determine the underlying cause of abnormal pupil shape.
Lifestyle modification and dietary intervention
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Pilocarpine therapy
Cholinergic eye drops that stimulate pupillary constriction in cases of iris dysfunction or certain neurological pupillary abnormalities to help regulate pupil size and shape.
Additional treatment options
Pupilloplasty procedure
Surgical reconstruction of the iris for traumatic or congenital abnormal pupil shapes to improve cosmetic appearance and light regulation function.
surgicalNeurophthalmology consultation
Specialist evaluation to assess for underlying neurological conditions causing pupillary abnormalities, including cranial nerve involvement or autonomic dysfunction.
complementaryPupillary response testing
Detailed diagnostic testing including swing flashlight test, pharmacologic pupil testing, and infrared pupillography to characterize pupillary dysfunction patterns.
procedureWhen 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 Abnormal Pupil Shape C0271134?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
Compare medications used to treat Abnormal Pupil Shape C0271134. 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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy