Ukuphazamiseka kwemisebenzi yombono kwenzeka ngenxa yezizathu ezahlukahlukeneyo. Kungaba:
- izifo zonyango;
- uzuzo lwezinto;
- ixesha elide isohlo, njl
Enye yezinketho ze-non-pharmacological correction of vision igqoke iiglasi kunye nezimbobo (iiglasi).
Iiglasi nezibhombo zisebenza njani?
Iiglasi kwindawo yokuphucula umbono ngamacwecwe eplastiki kunye nemigodi emininzi, ehlelwe ngokuhleleka, ehlanganiswe ngeplastiki, iifowuni ezingaphantsi kaninzi. Umgaqo wezenzo zamaglasi ezimnyama kunye nezimbobo zisekelwe kwisiphumo sekhamera ye-pinhole okanye i-stenstop. Ngenxa yobukhulu becala bendawo, ukusabalalisa ukukhanya kwi-retina kuncitshisiwe, kwaye umfanekiso obangela ukuba ube mkhulu kwaye ukhaliphe.
Ngaba iiglasi nezimbobo zinceda ukubuyisela umbono?
Umbuzo wokusebenza kwezenzo zezigulana-gulisa ziphakamisa iingxoxo ezinzulu. Ezinye iingcali-i-ophthalmologists zikholelwa ukuba le fowuni ayinayo impembelelo yokwelapha, kwaye ukuthenga iiglasi ezigqithisayo kuyinkcitho yemali.
Ezinye ii-oculists zikholelwa ukuba ukusetyenziswa kweglasi kunye nezimbobo kunceda ngexesha elifanelekileyo lokunciphisa uxinzelelo olusuka kwimisipha yamehlo, kunye negalelo ekudaleni umthwalo othile kwimisipha ebuthathaka. Umzimba omude kunye nexesha eliqhelekileyo ngoncedo lweziglasi ezinjalo zijolise ekunyuseni ubulunga obubonakalayo ngo-0.5-1.0. Akunqabile ukufumana iziphumo eziphezulu ekubuyiseleni umbono.
Izibonakaliso zokusetyenziswa kweziglasi zokugqithisa
Iiglasi zokulungiswa kombono emngxeni zicetyiswa ukuba zisetyenziswe kula maxesha alandelayo:
- ukujonga phambili;
- ukubona okufutshane;
- astigmatism;
- i-anisometropia (ubuninzi obubonakalayo emehlweni);
- i-presbyopia (utshintsho lensi);
- i-asthenopia (i-eye strain).
Akuvumelekile ukusebenzisa iiglasi eziphambili
Indlela yokusebenzisa iiglasi kunye nezimbobo?
Ukufezekisa impembelelo yokwelapha efunekayo, kuyimfuneko ukusebenzisa ama-glass-simulators malunga nehafu yeeyure ngosuku. Kwizinto ezinomsebenzi ezibandakanya umthwalo obonakalayo obonakalayo, kuyacetyiswa ukuba ugqoke iziglasi imizuzu eyi-10 emva kweeyure eziyi-1-1.5 zokusebenza. Kubalulekile ukuba ungagxininisa kwisifundo esinye ngexesha, kodwa ukujonga izinto ezikude kunye nezinto ezikude, ukwenza ukuba amehlo akho ahambe rhoqo. Ubuncinane benkqubo yokonyango ubuncinane ngonyaka.