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Øjets kontrastfølsomhed - Danmarks Optikerforening

Øjets kontrastfølsomhed - Danmarks Optikerforening

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Øjets kontrastevne bygger på<br />

• Gangliecellernes input fra<br />

receptorcellerne (stav/tap)<br />

• 130 mil receptorceller<br />

(heraf 6 mil tappe) og 1,2<br />

mil ganglieceller<br />

• Receptive felter<br />

• Parvo og magnoceller

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