Foto Ngwaahịa
Nkwakọ ngwaahịa na nnyefe
ngwugwu vacuum+katọn/arịrịọ ndị ahịa
Etiti oge
| Ọnụọgụ (iberibe) | 1 - 5 | >500 |
| Oge e mere atụmatụ (ụbọchị) | 5-7 | A ga-akparịta ụka |
atụmatụ
Ugogbe anya maka ski bụ ugogbe anya a na-eyi iji chebe anya mgbe a na-agba ski. Ugogbe anya maka ski dị mkpa iji chebe anya onye na-agba ski n'ihi ìhè anyanwụ na-enwu n'elu snoo na mkpali nke anya site na ifufe oyi n'oge mmịfe. Ọ dị mkpa ịmara na ndị na-agba ski bụ ndị na-eyi ugogbe anya kwesịrị ịhọrọ ugogbe anya maka ski (Over The Glasses) iji kpuchie myopia ha kpamkpam.
ọrụ
Lensị ski agbanweela site na otu oyi akwa gaa na nke abụọ, site na nke na-abụghị nke ikuku mmiri gaa na nke na-egbochi ikuku mmiri mmiri, a pụkwara iji ya mee ihe n'ọtụtụ ọnọdụ ihu igwe ka sayensị na teknụzụ na-aga n'ihu. Ejiri plastik mee etiti ahụ, nke dị nchebe karị, lensị ahụ na-acha odo odo ma ọ bụ aja aja. E kwesịrị itinye atụmatụ ndị a na enyo anya ski:
Nke mbụ, zere ifufe oyi ka ọ ghara ịkpasu anya gị iwe; nke abụọ, gbochie ụzarị ultraviolet ka ọ ghara ịgba anya gị ọkụ.
Nke atọ, anya dị n'ime anaghị agbagharị agbagharị.
Nke anọ, ihe mkpuchi ski ekwesịghị ibute mmerụ ahụ ihu mgbe ha dara. (Rịba ama: Iji kpuchie myopia nke ọma, ndị na-eyi ugogbe anya kwesịrị ịhọrọ ihe mkpuchi ski OTG (Over The Glasses).
Nke ise, iguzogide mmetụta nke lenzi ahụ, ọkọlọtọ mba ụwa ga-agafe ule bọọlụ ịda ada (DOP BALL TEST) na ule iguzogide mmetụta.
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