H44.2
Degenerative myopia
Clinical Classification Guidelines
Inclusion Terms
- Malignant myopia
Medical Intelligence & Overview
Degenerative myopia, also known as malignant myopia, is a Severe form of nearsightedness characterized by progressive elongation of the eyeball, leading to potential severe visual impairment. Unlike common myopia, which is common and manageable, degenerative myopia involves degenerative changes in the eye's structure, particularly affecting the retina and underlying tissues. This condition typically develops during adolescence or early adulthood and can worsen over time, putting affected individuals at increased risk for retinal detachment, choroidal neovascularization, and other serious eye complications.
Causes & Symptoms
Clinical Causes: Genetic predisposition: Family history of high or degenerative myopia increases risk. Axial elongation: Progressive elongation of the eyeball leading to increased myopia severity. Structural eye abnormalities: Abnormalities in scleral connective tissue that weaken the eye's structure. Environmental factors: Extensive near work and inadequate outdoor activities may contribute to progression. Age-related changes: Eye degeneration can accelerate during certain life stages.
Key Symptoms: Progressively worsening nearsightedness that starts in late childhood or adolescence. Blurred or distorted vision, especially in the peripheral areas. Presence of mactice or black spots in the visual field (floaters). Difficulty seeing distant objects clearly. Potential development of complications such as retinal tears or detachment, leading to sudden visual loss. Visual distortion or the appearance of a curtain or shadow passing through the field of vision in advanced cases.
Diagnostic & Treatment
Diagnosis Path: Diagnosis involves comprehensive eye examination including refraction assessment to determine the degree of myopia. Additionally, the following tests may be performed: - Fundus examination: To observe degenerative changes in the retina. - Optical coherence tomography (OCT): Provides detailed images of retinal layers. - Ultrasound biomicroscopy: Measures axial length to assess eye elongation. - Fluorescein angiography: Detects abnormal blood vessels or leaks associated with choroidal neovascularization. Early detection of degenerative signs is crucial for monitoring progression and managing potential complications.
Treatment Protocols: While degenerative myopia cannot be reversed, multiple strategies aim to prevent progression and manage complications: - Regular eye examinations to monitor eye health. - Corrective lenses: Glasses or contact lenses to optimize vision. - Treatment of retinal complications: - Laser therapy for retinal tears or early neovascularization. - Surgical interventions such as scleral buckling or vitrectomy if necessary. - Pharmacologic treatments: - Anti-vascular endothelial growth factor (anti-VEGF) injections for choroidal neovascularization. - Lifestyle modifications: - Limiting excessive near work. - Encouraging outdoor activities to reduce progression risk. - Emerging therapies and clinical trials may offer additional options in the future.
Clinical Advice & FAQs
Billing Guidance
Is H44.2 a billable ICD-10 code?
Yes, H44.2 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report H44.2?
Clinical documentation must specify the nature of Degenerative myopia and any associated comorbidities for accurate reporting.
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