1. Induced refractive error changes optical coherence tomography angiography transverse magnification and vascular indices.

    Induced refractive error changes optical coherence tomography angiography transverse magnification and vascular indices.

    Purpose To assess the effect of changing anterior eye refractive power with contact lenses on the transverse magnification of enface images and associated vascular indices from optical coherence tomography angiography (OCT-A). Design Prospective cross-over study. Methods Spherical soft contact lenses (-6D to +6D in 2D steps) were used to induce anterior eye refractive power changes in 11 healthy young adults and 3 × 3mm macular scans were captured using OCT-A (Zeiss AngioPlex, software version 11.0; Cirrus HD-OCT 5000, Carl Zeiss Meditec Inc.). Image transverse magnification was predicted based on refraction and biometry measurements and compared with empirical changes in the ...

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