Sonke sikhalaza malunga neengxaki zamehlo ngexesha elide, kodwa kuthini intsingiselo yamehlo? Amehlo ethu athathaka njani? Njengegqirha kwamehlo, ndiva isikhalazo seziliso zamehlo imihla ngemihla, kaninzi ngamaxesha amaninzi ngosuku.
Uxinzelelo lwamehlo luphawu oluvezwa ngabantu xa amehlo abo eziva ephelile kwaye ekhulile. Abanye abantu bathi banqwenela ukuvala amehlo abo baze balele xa benesifo sengqondo.
Baziva bephelile. Ngamanye amaxesha, ubunzima bamehlo bunokukunika intloko okanye mhlawumbi kukudibanisa. Makhe sihlolisise izizathu ezahlukahlukeneyo zokungahambi kakuhle.
ICiliary Body Ukukhathala
Ubunzima bamehlo bubangelwa izinto ezahlukeneyo. Okokuqala, nayiphi na ixesha oya kufutshane nomsebenzi (kumgama osondeleyo), umzimba we-ciliary, i-muscle efunyenwe ngaphakathi kweso, unyanzelekile ukuba usebenze ixesha elide. Umzimba we-ciliary uyisistim egxininisayo kwaye ivumela abantu ukuba bajolise kwizinto ezikufuphi. Xa ukhangele okanye ugxininise into entsha, ezo zivumelwano ze-muscle kwaye uvumela i-lens ukuba yande kwaye ikhulise amandla onke ejoni.
Ukuxhatshazwa kweMisipha ye-Extraocular
Esinye isistim semisipha esivumelwaneni xa sisondelelene nomsebenzi sisisundu se- extraocular . Kukho iintsimbi ezithandathu ze-extraocular ngeyeso. Eminye yale mibini, i-recti ephakathi, yenza umsebenzi omningi xa ugxininise into e kufuphi. Ukugcina umfanekiso ugxininise kwaye ukhusele ukuba ungaboni kabini, i-recti yangaphakathi yenza ukuba amehlo aguquke ngaphakathi.
Kwakhona, xa izivumelwano zomsila zithuba elide, amehlo angase aziva ephilileyo. Olunye umsebenzi obangela ubunzima bamehlo ngethuba lokujonga emva nangaphezulu ixesha elide. Ngokomzekelo, masithi ukukopisha iphepha oye lahla kwicala lakho kwaye kufuneka ukhangele ngasemva uze uthayiphe iteksi ebhaliweyo kwikhompyutha.
Ukunyuka kwamehlo okuqhubekayo kwangexesha elizayo kungakhokelela ekubambeni kwamehlo. Ngaphezu koko, igqoke kwisimo sakho sengqondo. Ukuhlala ukhangele phambili nangaphezulu kuqala ukwenza ukuba ubuchopho bakho buve bukhathele.
Isifo se-Ocular Surface
Uxinzelelo lwamehlo lungaphinda luvela kumntu odla ngokugqithiseleyo. Abantu bahlala bekhalaza ngeso lengxaki emva kokufunda ixesha elide. Kwezinye iimeko, kungenzeka ukuba ingagxininiso liso elibangela ingxaki kodwa kunokuba iliso elomileyo elibangela. Naluphi na ukugxila kwikhompyutheni yekhompyutheni okanye nje ukufunda iincwadi ixesha elide, izinga lethu le-blink liyehla. Naliphi na ixesha sigxininisa kwinto ethile i-blink rate iyancipha. Xa singabonakali ngokuqhelekileyo, ifilimu yethu yokuqhawula isityalo ayiyi kuhlaziywa. Xa amehlo ethu engabonakali kakuhle, bazizwa bekhathele kwaye banzima.
Umbono ongabonakaliyo
Enye imbangela yenkxalabo yamehlo yinkinga engabonakaliyo yombono. Iingxaki ezincinane ezingabonakaliyo zembono ziba zibi ngakumbi kunokuba zibe nengxaki enkulu yokubona. Xa umntu enenkinga enkulu yokubona, abazami. Zivame ukuyeka kwaye ziye kudokotela weziliso kuba azikwazi ukusebenza. Xa unemiba encinane engabonakaliyo yembono, uzama ukuhlawula ngokukratshi kwaye ugxininise kanzima.
Ukuzama ukuhlawulela kunokubangela ukuba uhlalise indawo yokuhlala kwaye ushiye ukhathele ekupheleni kosuku.
Glare
Ukungabikho okungafunekiyo kungabangela ubunzima bamehlo. I-Glare yinto ebonakalayo ebangelwa ukukhanya okungaqhelekanga nokungalawulwa. Ngamanye amaxesha i-glare ingaba yingozi. Abaqeshi abaninzi bachithe imali eninzi yokumisela izitishi zemisebenzi emihle kubasebenzi babo. Nangona kunjalo, bayalibala ngokupheleleyo ukulungisa uhlobo olulungileyo lokukhanyisa kwiindawo ezithile zokusebenza. Uhlobo olulungileyo lokukhanyisa lungenza yonke imohluko kwimveliso yabasebenzi. Nangona iincwadi zethu zeekhomputha zinobuchule obugqithiseleyo ngoku kunokuba ziyiminyaka embalwa edlulileyo, ukukhanya kwe-fluorescents generic ngamanye amaxesha kungabangela i-glare edala indawo engabonakaliyo.
Uninzi lwe-glare oluthathaka luvela elangeni ngelixa liqhuba ukuya nasemsebenzini. Enyanisweni, kunokunciphisa ukubonakala okukhulu kangangokuthi ingaba yingozi.
> Umthombo:
> Iikhomputha, iiDivigual Digital, kunye ne-Eye Strain. I-American Academy ye-Ophthalmology. https://www.aao.org/eye-health/tips-prevention/computer-usage