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← ScienceWhich artifact distorts high-resolution optical coherence tomography (OCT)?
A)Speckle pattern reduces axial resolution.✓
B)Chromatic aberration corrupts image alignment.
C)Spherical aberration blurs edges sharply.
D)Vignetting darkens peripheral image areas.
💡 Explanation
Speckle reduces resolution in OCT because it arises from interference of coherent light from unresolved structures, therefore speckle limits the visibility of fine details, rather than blurry edges caused by spherical aberration.
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