Fundus autofluorescence patterns in Best vitelliform macular dystrophy.

Area of Science:

• Ophthalmology
• Medical Imaging
• Genetics

Background:

• Best vitelliform macular dystrophy (BVMD) is a genetic disorder affecting central vision.
• Understanding fundus autofluorescence (FAF) patterns can aid in characterizing BVMD.
• Previous classifications of FAF in BVMD lack systematic detail.

Purpose of the Study:

• To systematically classify fundus autofluorescence (FAF) patterns in patients with Best vitelliform macular dystrophy (BVMD).
• To identify potential relationships between FAF patterns and disease stage or visual acuity.

Main Methods:

• A prospective, cross-sectional study enrolled 40 patients (80 eyes) with BVMD.
• Ophthalmologic examination, genetic testing, short-wavelength FAF, and near-infrared FAF were performed.
• FAF patterns were analyzed and correlated with Gass's stages and best-corrected visual acuity (BCVA).

Main Results:

• Six distinct FAF patterns were identified for both short-wavelength and near-infrared imaging.
• No single FAF pattern was specific to any particular stage of BVMD.
• Patchy patterns were most prevalent; hyper- and hypo-autofluorescent patterns correlated with better and worse BCVA, respectively.

Conclusions:

• Six main FAF patterns exist in BVMD, observable with both imaging types.
• FAF patterns are not stage-specific in BVMD.
• Further longitudinal studies are needed to determine the prognostic value of identified FAF patterns.