Lilense tsa botle ke khetho e fesheneng ea liaparo tsa mahlo tse tlang ka mebala le meralo e fapaneng, e etsang hore mahlo a shebahale a tebile, a hlaphohetsoe le ho hohela.Mofuta ona o mocha oa lense ea ho kopana ha o ntle feela ka mokhoa o tsotehang, empa hape o na le likarolo tse ngata tse sebetsang le tse sireletsang.

Taba ea pele, lilense tsa botle li na le meralo e ikhethang e ka fetolang boholo ba bana, ho etsa hore mahlo a shebahale a tebile ebile a hlasimolohile.Li ka boela tsa ntlafatsa 'mala oa mahlo, tsa etsa hore a be le khanya le ho hapa tlhokomelo.Lilense tsa botle li ka ba tsa fetola ponahalo le sebōpeho sa mahlo, tsa etsa hore li shebahale li khahleha haholoanyane.

Lilense tsa botle li boetse li shebana haholo le ho sireletsa mahlo.Li fana ka moea o motle haholo oa oksijene, ho boloka mahlo a na le moea o motle le bophelo bo botle.Ho feta moo, li fana ka tšireletso e ntle ea UV, e sireletsang mahlo khahlanong le mahlaseli a kotsi.Likarolo tsena li etsa hore lilense tsa botle li be khetho e nepahetseng le e sireletsang.

Ntle le likarolo tsena tse sebetsang le tse sireletsang, lilense tsa botle li boetse li fana ka matšeliso a molemo le phihlelo ea mosebedisi.Li bonolo haholo ho li sebelisa le ho roala, e leng se etsang hore e be khetho e ratoang ke batho ba bangata.Ho feta moo, li boetse li bonolo haholo ho li hloekisa le ho li boloka, li lumella batho ho boloka lilense tsa bona li hloekile ebile li hloekile.

Ka kakaretso, lilense tsa botle ke khetho e ratoang haholo ea feshene e kopanyang botle bo tsotehang le likarolo tse ngata tse sebetsang le tse sireletsang.Ha li etse feela hore mahlo a shebahale a le matle le a hohelang, empa hape a sireletsa le ho boloka bophelo bo botle ba mahlo.