Evidence checklist

Pterygium

DC 603438 CFR § 4.79Organs of Sense

Evidence strength

Mark what you already have below and your evidence strength appears here.

Target

Saved locally

Specialist opinion

Highest value

Ophthalmology evaluation documenting pterygium extent and visual impactCritical

Records documenting pterygium size, involvement of visual axis, induced astigmatism, and impact on visual acuity.

Private provider · independent opinion

Nexus opinion linking pterygium to service (UV exposure, dust, sand)Critical

Medical opinion connecting pterygium to intense UV/sunlight exposure, dust, sand, or wind in deployment environments — particularly Middle East, Southwest Asia, or outdoor training.

Private provider · independent opinion

Diagnostic tests and lab results

Visual acuity and refraction showing induced astigmatismCritical

Testing documenting refractive changes and corrected visual acuity affected by the pterygium.

Imaging or lab facility · records request

Lay statements

Buddy statement from spouse, family, or fellow service member

A written statement from someone who can describe observable symptoms and how your condition affects daily life.

You or a witness · VA Form 21-4138 or 21-10210How to get this →

Personal statement describing symptoms and functional impact

Your own written account of how this condition affects your daily activities, work, and relationships. Describe your worst days.

You or a witness · VA Form 21-4138 or 21-10210How to get this →

Service records

Service treatment records (STRs)Critical

Military medical records showing in-service treatment, complaints, or injuries related to this condition.

NPRC / milConnect · SF-180

Condition guideRating criteria and what VA looks for Buddy statement builderGuided VA Form 21-10210

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