Ukulungelelaniswa kwamehlo nezandla kubhekisa kubuchule bokucubungula ulwazi olufunyenwe ngamehlo ukuze kulawulwe, kwalathiswe, kwaye kukhokelwe iintshukumo zezandla.
I-Astaxanthin, i-lutein kunye ne-zeaxanthin zizakhamzimba ze-carotenoid ezaziwa ngokuba luncedo kwimpilo yamehlo.
Ukuze kuphandwe imiphumo yokongezwa kokutya kwezi zondlo zintathu ekuhambelaneni kwamehlo nezandla kunye nokulandelela amehlo ngokutyibilikayo emva komsebenzi we-VDT, kwenziwe uvavanyo lweklinikhi olungaboniyo kabini, olulawulwa yi-placebo.
Ukususela nge-28 kaMatshi ukuya kwi-2 kaJulayi 2022, i-Japan Sports Vision Association eTokyo yenze uphando kumadoda nabafazi baseJapan abasempilweni abaphakathi kweminyaka engama-20 nama-60 ubudala. Abo babenembono yomgama we-0.6 okanye ngaphezulu emehlweni omabini kwaye babedlala imidlalo yevidiyo rhoqo, besebenzisa iikhompyutha, okanye besebenzisa ii-VDT emsebenzini.
Abathathi-nxaxheba abangama-28 kunye nama-29 babelwa ngokungacwangciswanga kumaqela asebenzayo kunye namaqela e-placebo, ngokwahlukeneyo.
Iqela elisebenzayo lifumene ii-softgels ezine-6mg ye-astaxanthin, i-10mg ye-lutein, kunye ne-2mg ye-zeaxanthin, ngelixa iqela le-placebo lifumene ii-softgels ezine-rice bran oil. Izigulana kumaqela omabini zithathe i-capsule kanye ngemini kangangeeveki ezisibhozo.
Umsebenzi wokubonwayo kunye noxinano lwe-macular pigment optical density (MAP) zihlolwe ekuqaleni kwaye kwiiveki ezimbini, ezine, kunye nezisibhozo emva kokufakelwa.
Umsebenzi wabathathi-nxaxheba beVDT wawuquka ukudlala umdlalo wevidiyo kwifowuni ephathwayo imizuzu engama-30.
Emva kweeveki ezisibhozo, iqela lomsebenzi lalinalo ixesha elincinci lokunxibelelana kwamehlo nesandla (21.45 ± 1.59 seconds) kuneqela le-placebo (22.53 ± 1.76 seconds). googletag.cmd.push(function () { googletag.display('text-ad1′); });
Ukongeza, ukuchaneka kokuhambelana kwesandla neliso emva kwe-VDT kwiqela elisebenzayo (83.72±6.51%) bekuphezulu kakhulu kunakwiqela le-placebo (77.30±8.55%).
Ukongeza, kubekho ukwanda okukhulu kwi-MPOD, elinganisa uxinano lwe-retinal macular pigment (MP), kwiqela elisebenzayo. I-MP yenziwe yi-lutein kunye ne-zeaxanthin, ezifunxa ukukhanya okuluhlaza okwesibhakabhaka okuyingozi. Okukhona ixinene, kokukhona ikhusela ngakumbi.
Utshintsho kumanqanaba e-MPOD ukusuka ekuqaleni nasemva kweeveki ezisibhozo lwaluphezulu kakhulu kwiqela elisebenzayo (0.015 ± 0.052) xa kuthelekiswa neqela le-placebo (-0.016 ± 0.052).
Ixesha lokuphendula kwi-visuo-motor stimuli, njengoko lilinganiswa ngokulandelela kakuhle iintshukumo zamehlo, alizange libonise ukuphucuka okukhulu emva kokongeza kwi-athomu nganye.
“Olu phononongo luxhasa ingcamango yokuba umsebenzi we-VDT uphazamisa okwethutyana ukuhambelana kwamehlo nezandla kunye nokulandelela amehlo okugudileyo, kwaye ukongezwa kwe-astaxanthin, i-lutein, kunye ne-zeaxanthin kunceda ekunciphiseni ukwehla kokuhambelana kwamehlo nezandla okubangelwa yi-VDT,” utshilo umbhali.
Ukusetyenziswa kwee-VDT (kuquka iikhompyutha, ii-smartphone kunye neetablet) kuye kwaba yinto eqhelekileyo kwindlela yokuphila yanamhlanje.
Nangona ezi zixhobo zibonelela ngokulula, zonyusa ukusebenza kakuhle, kwaye zinciphisa ukuhlukaniswa nabantu, ingakumbi ngexesha lobhubhane, izifundo ezahlukeneyo zibonise ukuba umsebenzi we-VDT ohlala ixesha elide unokuchaphazela kakubi ukusebenza kokubona.
“Ngenxa yoko, sicinga ukuba ukusebenza komzimba okuphazamiseka ngumsebenzi we-VDT kunokunciphisa ukulungelelaniswa kwamehlo nesandla, kuba oku kudla ngokunxulunyaniswa neentshukumo zomzimba,” bongeze ababhali.
Ngokwezifundo zangaphambili, i-astaxanthin yomlomo inokubuyisela indawo yokuhlala kwamehlo kwaye iphucule iimpawu zemisipha, ngelixa i-lutein kunye ne-zeaxanthin zixelwe ukuba ziphucula isantya sokucubungula umfanekiso kunye novakalelo lokungafani, zonke ezichaphazela ukusabela kwe-visuomotor.
Ukongeza, kukho ubungqina bokuba ukuzilolonga kakhulu kuphazamisa ukuqonda okusecaleni ngokunciphisa ioksijini engqondweni, nto leyo enokubangela ukuba iliso nesandla zingasebenzi kakuhle.
“Ke ngoko, ukuthatha i-astaxanthin, i-lutein, kunye ne-zeaxanthin kunokunceda ukuphucula ukusebenza kwabadlali abafana nabadlali be-tennis, i-baseball, kunye ne-esports,” bacacisa ababhali.
Kufuneka kuqatshelwe ukuba olu phononongo belunemida ethile, kuquka ukungabikho kwemida yokutya kubathathi-nxaxheba. Oku kuthetha ukuba banokutya izondlo ngexesha lokutya kwabo kwemihla ngemihla.
Ukongeza, akucaci nokuba iziphumo zingumphumo wokongeza okanye wokudibanisa zonke izondlo ezintathu endaweni yokuba zingumphumo wezondlo esinye.
“Sikholelwa ukuba ukuhlanganiswa kwezi zondlo kubalulekile ekuchaphazeleni ukulungelelaniswa kwamehlo nezandla ngenxa yeendlela ezahlukeneyo zokusebenza kwazo. Nangona kunjalo, kufuneka uphando olongezelelweyo ukuze kucaciswe iindlela ezibangela iziphumo ezilungileyo,” bagqibe kwelokuba ababhali.
"Iziphumo ze-astaxanthin, i-lutein, kunye ne-zeaxanthin ekuhambelaneni kwamehlo nezandla kunye nokulandelela amehlo okugudileyo emva kokuphathwa komboniso obonakalayo kwizifundo ezisempilweni: uvavanyo olucwangcisiweyo, olungaboni kabini, olulawulwa yi-placebo".
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Ixesha lokuthumela: Agasti-16-2023