Simulated visual impression:
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Pseudophakic eye, emmetropic for paraxial rays. The size of the Landolt’s rings corresponds to a visual acuity of 20/20. The small circles represent the retinal photoreceptors. |
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Halo under mesopic conditions, pupil width is 4mm. |
also under photopic conditions (pupil width 2.5mm) a prescription glass of -0.25 diopters is necessary for best visual acuity. |