Puas yog xiav teb entoptic phenomenon ib txwm?

Cov txheej txheem:

Puas yog xiav teb entoptic phenomenon ib txwm?
Puas yog xiav teb entoptic phenomenon ib txwm?
Anonim

Qhov koj tab tom ntsib yog ib txwm tshwm sim hu ua xiav teb qhov tshwm sim entoptic. Cov ntshav ntws mus rau koj ob lub qhov muag los ntawm cov hlab ntsha uas hla lub retina - cov ntaub so ntswg tom qab ntawm koj lub qhov muag uas ua raws li lub receptor rau txhua lub teeb.

Vim li cas kuv thiaj pom xiav teb entoptic tshwm sim?

Qhov thib ob phenomena, "dots ntawm lub teeb darting txog," yog hu ua lub xiav teb entoptic phenomenon vim nws yog qhov yooj yim pom tawm tsam ib qho xiav teb. Cov teeb no yog tshwm sim los ntawm cov qe ntshav dawb coursing los ntawm cov me me capillaries ntawm lub retina qhov chaw.

Puas yog lub teeb xiav entoptic phenomenon?

Qhov xwm txheej xiav teb yog qhov tshwm sim entoptic phenomenon tus yam ntxwv los ntawm cov tsos ntawm cov me me ci ntsa iab (nicknamed xiav-sky sprites) txav nrawm nrawm nrog cov kab squiggly hauv thaj chaw pom, tshwj xeeb tshaj yog thaum saib lub teeb xiav ci li lub ntuj.

Puas yog xiav teb entoptic phenomenon pom daus?

Entoptic phenomena uas pom (txawm ib leeg lossis ua ke) hauv qhov pom ntawm cov daus, yog lub xiav xiav qhov tshwm sim, floaters (kev xaav uas txhais tau tias yog myodesopsia), tus kheej lub teeb ntawm lub qhov muag thiab spontaneous photopsia.

Puas yog floaters normal?

Floaters muaj ntau heev thiab feem ntau tsis xav tau kev kho mob. Yog tias koj muaj ntau lub qhov muag floaters thiab flashes, nws yuav yog ib qho cim ntawm qhov muag lojmob zoo li retinal detachment.

Pom zoo: