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This abstract is assigned to session AOB: Academia Ophthalmologica Belgica

Title	Occurrence of diseases of the vitreomacular interface in a population aged over 50
Abstract Nr.	1023

Purpose	To determine the prevalence of vitreomacular interface diseases affecting a population aged over 50
Methods	Cross-sectional study to assess the vitreomacular interface on retinal OCT scans recorded in 956 eyes from 481 visitors of the ‘Day of Science’ on November 24th 2013. Inclusion criteria were: age over 18 years, clear optical media and a signed informed consent. Following data were collected: age, gender, refraction, ocular history and current ophthalmic treatment. Five high definition OCT scans were obtained in the foveal area using OCT type Cirrus 5000 (Carl Zeiss Meditec, Dublin, CA), which were protocolled according to the international vitreomacular traction study (IVTS) group classification system. Prevalence rates were determined in 246 visitors aged over 50.
Results	In all eyes examined, prevalence of focal vitreomacular traction grade 1 was 0,8% and prevalence of focal vitreomacular traction grade 2 was 0,2%. Focal vitreomacular adhesion occurred in 6,3% of eyes and in 8,5% of patients; broad vitreomacular adhesion was observed in 13,2% of eyes and in 18,7% of patients. Cellophane maculopathy occurred in 2,9% of eyes and macular pucker was observed in 1% of eyes. No macular holes were observed.
Conclusion	This study uniquely determined the prevalence of vitreomacular interface diseases in a predominantly Caucasian population aged over 50.

Authors 1

Last name	JACOB
Initials	JJ
Department	Dept. Ophthalmology UZ Leuven
City	Leuven

Authors 2

Last name	STALMANS
Initials	PS
Department	Dept. Ophthalmology UZ Leuven
City	Leuven