
| Samfuri | Ruwan tabarau na IDEAL Defocus Incorporated | Kayan Aiki | PC |
| Zane | Kamar Zobe/Zuma | Fihirisa | 1.591 |
| Lambobin Maki | Maki 940/558 | Abbe Value | 32 |
| diamita | 74mm | Shafi | SHMC (KORE/SHUDI) |
● Idan aka kwatanta da yanayin myopia mara gyara da kuma lokacin amfani da ruwan tabarau na gani ɗaya na yau da kullun: Idan akwai myopia mara gyara, hoton babban abin da ke cikin filin gani zai kasance a tsakiya a gaban retina, yayin da hoton abubuwan da ke kewaye zai faɗi a bayan retina. Gyara da ruwan tabarau na yau da kullun yana canza yanayin hoton ta yadda zai kasance a tsakiya a yankin foveal, amma ana ɗaukar hotunan abubuwan da ke kewaye har ma da baya ga retina, wanda ke haifar da raguwar hyperopic na gefe wanda zai iya ƙarfafa tsawaita tsawon axial.
● Ana iya cimma cikakkiyar ikon sarrafa gani ta hanyar cire ido mai maki da yawa, wato, tsakiya yana buƙatar samun damar gani a sarari, kuma hotunan gefe ya kamata su faɗi a gaban retina, don jagorantar retina ta ci gaba gwargwadon iko maimakon miƙewa baya. Muna amfani da adadin defocus mai ƙarfi da ƙaruwa don samar da yankin defocus mai siffar zobe. Yayin da muke tabbatar da kwanciyar hankali na tsakiyar ruwan tabarau, ana samar da siginar defocus mai siffar myopia a gaban retina, tana jan gefen ido don rage girman, don cimma tasirin rigakafin myopia a cikin matasa.