Ezinye zezinto ezibalulekile okulindeleke ukuthi ziqhubekisele phambili imakethe yamalensi okuxhumana zihlanganisa ukwanda kwezifo zamehlo ezifana ne-myopia, presbyopia, kanye ne-astigmatism, kanye nempilo yokunganyakazi, ukwanda kwenani labantu abaguga, ukuba sengozini ye-presbyopia, kanye nesifiso sabasebenzisi bokugcina se-presbyopia.Uyaqaphela...
Funda kabanzi