Re thabetse ho hlahisa sehlahisoa sa rona sa morao-rao - magnetic clip-on acetate optical glasses. Likhalase tsena tse peli li sebelisa acetate ea boleng bo holimo e le thepa ea foreimi, e nang le sebopeho le nako e telele. Foreimi e entsoe ka bokhabane, e le setaele, ebile e fana ka seatla se bulehileng, e loketse libopeho tsohle tsa sefahleho e le hore o ka lula o le setaele ebile o phutholohile letsatsing.
Likhalase tsena tse nang le likhalase tsa mahlo li ka boela tsa kopanngoa le likotoana tsa letsatsi tsa makenete tsa mebala e fapaneng, e le hore u ka li bapisa ka bolokolohi ho ea ka liketsahalo tse fapaneng le likhetho tsa botho, tse bontšang mekhoa le botho bo fapaneng. Ebang ke botala bo hlakileng, boputsoa bo makatsang, kapa lilense tsa pono ea bosiu, e ka khotsofatsa litlhoko tsa hau tse fapaneng.
Lilense li entsoe ka thepa ea UV400, e ka sireletsang mahlo a hau hamolemo mahlaseling a UV le maboneng a matla, a etsa hore u be le kholiseho le ho phutholoha ha u le ka ntle. Ebang ke matsatsi a phomolo a lebōpong la leoatle, lipapali tsa ka ntle, kapa maeto a letsatsi le leng le le leng, likhalase tsena tsa mahlo li ka u fa tšireletso ea mahlo ka hohle, ho u lumella ho thabela letsatsi ha u ntse u phela hantle.
Ho fapana le likhalase tsa letsatsi tse tloaelehileng, likhalase tsena tsa optical li kopanya mesebetsi ea likhalase tsa mahlo le likhalase tsa letsatsi, kahoo ha ho hlokahale hore u nke likhalase tse peli tsa likhalase 'me u ka sebetsana ka katleho le maemo a fapaneng a leseli. Ho sa tsotellehe hore na ke ka tlung kapa ka ntle, likhalase tsa mahlo li ka finyella litlhoko tsa hau tsa pono 'me tsa u thusa ho thabela pono e hlakileng le phihlelo ea boiketlo.
Ka bokhuts'oane, likhalase tsa rona tsa li-clip-on ha li na ponahalo ea setaele le lisebelisoa tsa boleng bo holimo feela, empa hape li fana ka tšireletso e felletseng bakeng sa mahlo a hau le boiphihlelo bo monate ba ho apara. Ho sa tsotellehe hore na ho latela mekhoa ea feshene kapa ts'ebetso ea ts'ebetso, likhalase tsena tsa mahlo li ka finyella litlhoko tsa hau, li u lumella ho hlahisa kholiseho le ho khahleha ketsahalong efe kapa efe. Khetha lihlahisoa tsa rona ho boloka mahlo a hau a hlakile ebile a phutholohile ka linako tsohle!