Mecanmed ke baetsi ba motho ba opphthalmic ba mahlo le barekisi Chaena ea ka hlabang whothalmic . Re ka fana ka litšebeletso tsa litsebi le theko e betere ho uena. Haeba u thahasella ho / B SCAN ea motho ea opphthalmic, ka kopo ikopanye le rona. Malebela: Litlhoko tsa Bohlokoa: OEM, O IME, o hlophisitsoe ka kopo, 'me u re bolelle litlhoko tsa rona. Re latela boleng ba phomolo ba letsoalo, tšebeletso e inehetseng.