Damage to the visual pathways in the brain behind the optic chiasm, affecting vision processing.
If your rating is based on incapacitating episodes, the most important records are those that document each clinic visit made specifically to treat your eye condition within the past 12 months. Treatment examples noted in the regulation include systemic immunosuppressants or biologic agents, intravitreal or periocular injections, laser treatments, and other surgical interventions. Visit logs, treatment notes, and appointment summaries that show the date, provider, and purpose of each visit directly support the visit count at each rating level.
If your rating is based on visual impairment, the relevant evidence is whatever is required under 38 CFR 4.75 through 4.78 and diagnostic codes 6061 through 6091, such as measured visual acuity and visual field test results from an eye examination.
Your own statements and those of people who know you can also describe how episodes affect your work and daily activities, which helps establish the severity and frequency of the condition. Records from every treating provider, including specialists, help build a complete picture of your treatment history.
Conditions that are often caused or made worse by this one. If you have any of these, they may be claimable as secondary service connection.
