What is the FAF result in CHRPE testing?

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Prepare for the NBEO Part III Test with comprehensive questions on Patient Encounters and Performance Skills. Answer multiple choice and scenario-based questions with explanations. Ensure success on your optometry exam!

Multiple Choice

What is the FAF result in CHRPE testing?

Explanation:
Fundus autofluorescence imaging reflects the lipofuscin content in the retinal pigment epithelium. Congenital hypertrophy of the RPE creates a densely pigmented patch that blocks the autofluorescence signal. Because of this pigmentation, the affected area appears darker than the surrounding retina, producing a negative FAF result. So the expected FAF finding in CHRPE is hypoautofluorescence (negative). This dark patch helps distinguish CHRPE from other pigmented lesions, which may show different autofluorescence patterns.

Fundus autofluorescence imaging reflects the lipofuscin content in the retinal pigment epithelium. Congenital hypertrophy of the RPE creates a densely pigmented patch that blocks the autofluorescence signal. Because of this pigmentation, the affected area appears darker than the surrounding retina, producing a negative FAF result. So the expected FAF finding in CHRPE is hypoautofluorescence (negative). This dark patch helps distinguish CHRPE from other pigmented lesions, which may show different autofluorescence patterns.

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