Gilashin ido daban-daban suna yin tasiri daban-daban kuma babu ruwan tabarau da ya fi dacewa da duk ayyuka.Idan kun ɓata lokaci mai tsawo don yin takamaiman ayyuka, kamar karatu, aikin tebur ko aikin kwamfuta, kuna iya buƙatar takamaiman tabarau na ɗawainiya.An yi nufin ƙarar ruwan tabarau mai sauƙi azaman madadin biyu na farko ga marasa lafiya sanye da ruwan tabarau guda ɗaya.Ana ba da shawarar waɗannan ruwan tabarau don masu shekaru 18-40 myopes masu fama da alamun gajiyawar idanu.