1.Adult-onset foveomacular dystrophy
Kristine Corpus ; Jo Anne Hernandez ; Narciso Jr. Atienza
Philippine Journal of Ophthalmology 2010;35(1):36-39
Objective:
To describe a case of adult-onset foveomacular vitelliform dystrophy
(AOFVD).
Method:
This is a case report.
Results:
A 22-year-old female presented with painless blurring of vision and
metamorphopsia 3 days prior to consultation. There were 2 similar episodes
in the past that spontaneously resolved after 2 to 4 weeks. Visual acuity (VA)
was 20/50 in the right eye (OD) and 20/40 in the left (OS), both best corrected
to 20/25. Dilated-fundus examination revealed a discrete area of mixed hypoand hyperpigmentation 1 disc diameter over the fovea in OD and a solitary
round hypopigmented lesion with a hyperpigmented border 3 to 4 disc
diameters on the fovea in OS. Fluorescein angiography (FA) revealed an area
of hyperfluorescence surrounded by a rim of hypoflourescence in OD and an
area of blocked fluorescence with subtle hyperfluorescence superior to the
lesion in OS, both of which did not increase in size and intensity toward the
late phases. Optical coherence tomography (OCT) revealed neurosensory
detachment in both eyes. Electrooculogram (EOG) was normal with Arden
ratio of 0.91. VA returned to 20/25 in both eyes, and repeat fundus
photography showed no change in the characteristics of the lesions.
Conclusion
Differential diagnosis of a hypopigmented macular lesion in the young with
self-limited blurring of vision should include AOFVD. FA, OCT, and EOG can
help distinguish AOFVD from Best’s disease or other similar macular
conditions.
Vitelliform Macular Dystrophy
;
Bestrophins
;
Peripherins