Kune, zvisinei, makumi maviri nguva yakawanda tsvimbo masero kupfuura tsvimbo masero mu retina nokuti tsvimbo masero varipo mhiri imwe mutauro sezvo ndima: Passage: Kune mhando mbiri photoreceptor masero, tsvimbo uye makoni, izvo vari vasanonoka zvakasiyana zvinhu chiedza. tsvimbo masero vari vasanonoka kuti kusimba chiedza pamusoro yakakura maitikiro siyana, saka ndivo anokonzera dema-uye-chena maonero. tsvimbo masero havasi varipo fovea, nzvimbo retina anokonzera nechepakati maonero, uye havasi sezvo vasanonoka sezvo tsvimbo masero kuti nzvimbo uye nenguva kuchinja chiedza. Zvisinei, pane makumi maviri nguva yakawanda tsvimbo masero pane tsvimbo masero mu retina nokuti tsvimbo masero varipo mhiri yakakura nzvimbo.
masero etsvimbo