This study aimed to evaluate blood oxygenation at the optic nerve head in relation with visual field losses observed in many Fabry patients. Data collected allowed to evaluate if there is a link between these two entities. Study lasted 2 years during which a limited number of Fabry patients had been compared to a control group to confirm any relationship between blood flow and field losses, and to see if these results varied over time. HYPOTHESIS 1\. Fabry patients will present significant differences in visual fields compared to control 2 There will be variability of the visual field defects on the long term but not on the short term 3 Blood oxygenation will be higher for Fabry patients 4 Blood volume at the optic nerve head will be the same for both groups.
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Blood Oxygenation at the Optic Nerve Head
Timeframe: 2 years