Mwinanso ndinu osokoneza bongo ogula, omwe akufuna kubwereza kwapamwamba kwambiri , ndipo wowerengeka ndi wopanga akatswiri & wotsatsa zomwe angakwaniritse zosowa zanu. Osangokhala retinoscocope yomwe tidapanga tatsimikiza za mtundu wapadziko lonse lapansi, koma titha kukwaniritsa zosowa zanu zachiwerewere. Timapereka pa intaneti, nthawi ya nthawi yake ndipo mutha kupeza chitsogozo cha akatswiri pa retinoscope . Osazengereza kulumikizana nafe ngati mukufuna kusinthira retinoscope , tisakukhumudwitsani.