Ukuxhumanisa amehlo nesandla kubhekisela ekhonweni lokucubungula ulwazi olutholwa ngamehlo ukuze kulawulwe, kuqondiswe, futhi kuqondiswe ukunyakaza kwezandla.
I-Astaxanthin, i-lutein ne-zeaxanthin yizakhamzimba ze-carotenoid ezaziwa njengeziwusizo empilweni yamehlo.
Ukuze kuhlolwe imiphumela yokwengezwa kokudla kwalezi zakhi ezintathu ekuhlanganiseni kwamehlo nezandla kanye nokulandelela amehlo okubushelelezi ngemuva komsebenzi we-VDT, kwenziwa isivivinyo somtholampilo esilawulwa yi-placebo esingaboni kabili.
Kusukela ngoMashi 28 kuya kuJulayi 2, 2022, i-Japan Sports Vision Association eTokyo yenze ucwaningo lwabesilisa nabesifazane baseJapan abanempilo abaphakathi kweminyaka engama-20 nengama-60. Abantu ababenemibono yebanga elingu-0.6 noma ngaphezulu emehlweni abo bobabili futhi babedlala imidlalo yevidiyo njalo, besebenzisa amakhompyutha, noma besebenzisa ama-VDT emsebenzini.
Inani labahlanganyeli abangu-28 no-29 babelwa ngokungahleliwe emaqenjini asebenzayo kanye namaqembu e-placebo, ngokulandelana.
Iqembu elisebenzayo lathola ama-softgel aqukethe i-astaxanthin engu-6mg, i-lutein engu-10mg, kanye ne-zeaxanthin engu-2mg, kanti iqembu le-placebo lathola ama-softgel aqukethe uwoyela we-rice bran. Iziguli kuzo zombili izinhlangothi zathatha i-capsule kanye ngosuku amasonto ayisishiyagalombili.
Umsebenzi wokubona kanye nobuningi be-macular pigment optical (MAP) kuhlolwe ekuqaleni kanye namasonto amabili, amane, kanye nayisishiyagalombili ngemva kokufakwa kwe-supplement.
Umsebenzi wabahlanganyeli be-VDT wawuhlanganisa ukudlala umdlalo wevidiyo ku-smartphone imizuzu engama-30.
Ngemva kwamasonto ayisishiyagalombili, iqembu lomsebenzi lalinesikhathi esincane sokuxhumana kwamehlo nesandla (21.45 ± 1.59 imizuzwana) kuneqembu le-placebo (22.53 ± 1.76 imizuzwana). googletag.cmd.push(function () { googletag.display('text-ad1′); });
Ngaphezu kwalokho, ukunemba kokuxhumana kwesandla neso ngemva kwe-VDT eqenjini elisebenzayo (83.72±6.51%) kwakuphakeme kakhulu kunaseqenjini le-placebo (77.30±8.55%).
Ngaphezu kwalokho, kube nokwanda okukhulu kwe-MPOD, elinganisa ubuningi be-retinal macular pigment (MP), eqenjini elisebenzayo. I-MP yakhiwe yi-lutein ne-zeaxanthin, ezimunca ukukhanya okuluhlaza okwesibhakabhaka okuyingozi. Uma ilukhuni, umphumela wayo wokuvikela uzoba namandla kakhulu.
Izinguquko emazingeni e-MPOD kusukela ekuqaleni kanye nangemva kwamasonto ayisishiyagalombili zaziphezulu kakhulu eqenjini elisebenzayo (0.015 ± 0.052) uma kuqhathaniswa neqembu le-placebo (-0.016 ± 0.052).
Isikhathi sokuphendula ezishukumisweni ze-visuo-motor, njengoba silinganiswa ngokulandelela okushelelayo kokunyakaza kwamehlo, asizange sibonise ukuthuthuka okukhulu ngemva kokwengezwa kunoma yiliphi iqembu.
“Lolu cwaningo lusekela umbono wokuthi umsebenzi we-VDT uphazamisa okwesikhashana ukuhambisana kwamehlo nezandla kanye nokulandelela amehlo okubushelelezi, nokuthi ukwengeza i-astaxanthin, i-lutein, ne-zeaxanthin kusiza ekunciphiseni ukwehla kokuhambisana kwamehlo nezandla okubangelwa yi-VDT,” kusho umbhali.
Ukusetshenziswa kwama-VDT (kufaka phakathi amakhompyutha, ama-smartphone namathebulethi) sekuyingxenye evamile yendlela yokuphila yanamuhla.
Nakuba la madivayisi enikeza ukulula, andisa ukusebenza kahle, futhi anciphisa ukuhlukaniswa komphakathi, ikakhulukazi ngesikhathi sobhubhane, izifundo ezahlukahlukene zikhombisile ukuthi umsebenzi we-VDT oqhubekayo ungathinta kabi ukusebenza kokubona.
“Ngakho-ke, sicabanga ukuthi ukusebenza komzimba okuphazamisekile ngenxa yomsebenzi we-VDT kunganciphisa ukuhambisana kwamehlo nezandla, njengoba lokhu kokugcina kuvame ukuhlotshaniswa nokunyakaza komzimba,” kusho abalobi.
Ngokusho kwezifundo zangaphambilini, i-astaxanthin yomlomo ingabuyisela ukuhlaliswa kwamehlo futhi ithuthukise izimpawu zemisipha nemisipha, kuyilapho i-lutein ne-zeaxanthin kubikwe ukuthi zithuthukisa isivinini sokucubungula izithombe kanye nokuzwela kokuqhathanisa, konke okuthinta ukusabela kwe-visuomotor.
Ngaphezu kwalokho, kunobufakazi bokuthi ukuvivinya umzimba okunamandla kuphazamisa ukubona okuseceleni kobuchopho ngokunciphisa ukufuthwa komoya-mpilo ebuchosheni, okungabangela ukuphazamiseka kokuxhumana kwamehlo nezandla.
“Ngakho-ke, ukuthatha i-astaxanthin, i-lutein, ne-zeaxanthin kungasiza ekuthuthukiseni ukusebenza kwabadlali abafana nabadlali be-tennis, i-baseball, kanye ne-esports,” kuchaza abalobi.
Kufanele kuqashelwe ukuthi ucwaningo belunemikhawulo ethile, okuhlanganisa ukungabikho kwemingcele yokudla kwabahlanganyeli. Lokhu kusho ukuthi bangadla izakhamzimba ngesikhathi sokudla kwabo kwansuku zonke.
Ngaphezu kwalokho, akucaci ukuthi imiphumela iyisithasiselo noma umphumela wokubambisana wazo zonke izakhamzimba ezintathu kunokuba umphumela wesakhamzimba esisodwa.
“Sikholelwa ukuthi ukuhlanganiswa kwalezi zakhi zomzimba kubalulekile ekuthinteni ukuhlangana kwamehlo nezandla ngenxa yezindlela zazo ezahlukene zokusebenza. Kodwa-ke, kudingeka izifundo ezengeziwe ukuze kucaciswe izindlela ezisekela imiphumela emihle,” kuphetha abalobi.
"Imiphumela ye-astaxanthin, i-lutein, ne-zeaxanthin ekuxhumaneni kwamehlo nezandla kanye nokulandelela amehlo okubushelelezi ngemuva kokuphathwa kokuboniswa okubonakalayo kubantu abanempilo: isivivinyo esingahleliwe, esingaboni kabili, esilawulwa yi-placebo".
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