Cov tsom iav progressive rau cov tub ntxhais hluas

● Siv cov thev naus laus zis tswj kev tsis pom kev zoo, lub zog ntawm lub lens txo qis los ntawm qhov chaw kho qhov muag mus rau ntug ntawm lub lens, uas ua rau txo qhov tshwm sim ntawm peripheral hyperopia defocus, yog li ntawd qeeb qhov ntev ntawm lub qhov muag axis thiab qeeb qeeb txoj kev loj hlob ntawm myopia.

● Cov software kho qhov muag tau siv los xam qhov xwm txheej ntawm lub lens thaum lub zog dioptric tau them rov qab thaum lub lens raug tso tawm obliquely, thiab kev tsim qauv zoo tshaj plaws ntawm lub lens tau ua tiav raws li qhov kev thaij duab ntawm lub retinal peripheral nyob rau hauv lub xeev myopic defocus.

● Siv cov thev naus laus zis tiv thaiv lub teeb xiav ntawm lub substrate, nws tuaj yeem thaiv tau ntau dua 25% ntawm lub teeb xiav thiab 99% ntawm cov duab ultraviolet thiab lwm yam duab hluav taws xob uas ua rau puas tsuaj.