Corneal topography scan showing the dimensions of an astigmatism. An astigmatism is an irregularity in the shape of the cornea which prevents light from focusing properly on the retina | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Whitten, Paul |
Bildgröße: | 9633 px × 6537 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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