• Muraayadaha indhaha dheer leh vs. muraayadaha indhaha ee caadiga ah

Xilliga muraayadaha indhaha muraayadaha ku habboon ee ku habboon (dib-u-habeynta) iftiinka maadaama ay ku dhex socoto muraayadda. Caddadka awoodda iftiinka-foosha (awooda lenska) ee loo baahan yahay in la bixiyo aragti wanaagsan ayaa lagu muujiyey rijeetada daabacaadda ee ay qortay dhakhtarkaaga.

Khaladaadka firfircoon iyo awoodaha muraayadaha ee loo baahan yahay si loo saxo waxaa lagu cabiraa cutubyada loo yaqaan dioptres (d). Haddii aad tahay mid gaaban oo gaagaaban, dawadaada lens-ka ayaa odhan kara -2.00 D. Haddii aad tahay myopic aad u sarreeya, waxay odhan kartaa -8.00 D.

Haddii aad aad u dheer tahay, waxaad u baahan tahay "lagu daray" (+) muraayadaha indhaha, kuwaas oo ka sii dhumucda dhexe iyo khafiifka khafiifka ah.

Glass caadiga ah ama muraayadaha caaga ah ee xaddiga sare ee muddada-gaaban ama aragga dheer ayaa noqon kara mid qaro weyn oo culus.

Nasiib wanaag, soo-saareyaashu waxay abuureen waxyaabo badan oo cusub "oo ah" lens 'ah oo caaga ah oo caaga ah oo ku habboon khafiifinta iftiinka si hufan.

Tani waxay ka dhigan tahay in waxoogaa yar loo isticmaali karo indhe-ka-sare ee loo yaqaan 'Index' oo sax ah si loo saxo isla qaddarka qaladka fiditaanka, kaas oo ka dhigaya muraayadaha caagga ah ee caagga ah iyo ka fudud muraayadda caadiga ah ama muraayadaha caagga ah.

Q1

Faa'iidooyinka muraayadaha indhaha dheer

Khafiif ah

Sababta oo ah awooda ay u leeyihiin inay u leexdo nalka si hufan, muraayadaha indhaha ah ee muddada-gaaban ayaa leh geesoodka khafiifka ah marka loo eego muraayadaha la mid ah kuwa awoodda dawooyinka la qoro ee ka samaysan wax caag ah oo ka samaysan ashyaa.

Qarxiso sigaar lugu shito

Xirmooyinka khafiifka ah waxay u baahan yihiin wax ka yar shey ka yar, taas oo yareynaysa culeyska guud ee muraayadaha indhaha. Muraayadaha ka samaysan caag aad u sareeya ayaa ka fudud in la mid ah muraayadaha indhaha lagu sameeyay balaastii caadiga ah, sidaa darteed waxay aad ugu kalsoon yihiin inay xidhaan.

Oo inta badan muraayadaha ugu sarreeya ayaa sidoo kale leh naqshad-dhimis, taas oo iyaga siisa wax yar, astaan ​​soo jiidasho leh oo waxay yareysaa muuqaalka weyn ee muraayadaha caadiga ah ee muraayadaha indhaha ee dhaadheer leh.

Q2

Xulashada leens-ka-sareeya

Muraayadaha caagga ah ee tusaalaha ah ayaa hadda lagu heli karaa noocyo kala duwan oo noocyo kala duwan ah, sida caadiga ah u dhexeysa 1.60 ilaa 1.74. Muraayadaha leh tusmada ugu firfircoon ee 1.60 & 1.67 waxay noqon karaan ugu yaraan 20 boqolkiiba khafiif ka yar yihiin muraayadaha caagga ah ee caadiga ah, iyo 1.71 ama wax ka badan ayaa si khafiif ah u noqon kara 50 boqolkiiba khafiif.

Sidoo kale, guud ahaan hadalka, waxa ugu sarreeya tirakoobka ayaa ah, qiimaha sare ee muraayadaha indhaha.

Daawooyinkaagii caloosha ah ayaa sidoo kale go'aamisa nooca ugu sarreeya ee qodobka sare ee aad u baahan karto muraayaddaada. Alaabta ugu sareysa ee tixraaca ah waxaa loo isticmaalaa marka loo eego dawooyinka ugu adag.

Inta badan naqshadaha muraayadaha indhaha ee caanka ah iyo astaamaha - oo ay kujirto laba-labo-labo, blueut pro, rijeetada, iyo dawada la qoro, waxaa lagu heli karaa ashyaa'da sawir-qaadista ah. Ku soo dhawow inaad gujiso bogaggayagahttps://www.univerversical.com/amor-revoty-productition/si loo hubiyo faahfaahin dheeraad ah.