Abnormality Of Corneal Shape C4022500
Corneal shape abnormalities, like keratoconus, cause the clear front window of the eye to bulge cone-shaped. This typically develops in teens and young adults and can worsen over time. Treatments include special contact lenses, corneal cross-linking, or surgery.
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.
Corneal ectasia (progressive corneal thinning)
(ophthalmologic)Generalized symptoms
(ophthalmologic)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Irregular astigmatism
(ophthalmologic)Blurred or distorted vision
(ophthalmologic)Photophobia
(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
Corneal Collagen Cross-Linking
A minimally invasive procedure that uses riboflavin drops and UV light to strengthen corneal tissue and halt progression of irregular corneal shape.
Healthy lifestyle changes and stress management
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Custom Contact Lenses
Specially fitted rigid gas-permeable or scleral lenses that mask corneal irregularities and provide clear vision by creating a smooth optical surface.
Additional treatment options
Topography-Guided PRK
Laser refractive surgery that reshapes the cornea based on detailed mapping of corneal surface irregularities to improve visual acuity.
surgicalRegular Corneal Topography
Serial imaging to track changes in corneal shape over time, allowing for timely intervention when progression is detected.
monitoringSpecialized Eye Exercises
Vision therapy techniques that may help improve visual function and reduce eye strain associated with corneal abnormalities.
complementaryWhen 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 Abnormality Of Corneal Shape C4022500?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy