Zvakanakira zvevana magirazi eblue light

Chiedza chebhuruu chakatipoteredza — ndicho chinoita kuti denga rive bhuruu uye chinopenya kubva parunhare mwana wako paanotamba mitambo kana kuona bhaisikopo. Saka unofanira kutenga vana vako magirazi eblue light?

Vabereki vanonetsekana nechiedza cheblue kubva kumasikirini vanogona kuganhurira nguva yeskirini yevana vavo, kuvadzidzisa mutemo we20/20/20 - kutarisa mafiti makumi maviri kure kwemasekonzi makumi maviri mushure memaminitsi makumi maviri pamberi pescreen - uye vanotengera mwana wavo magirazi eblue.

Saka chiichiedza chebhuruuzvakadaro? Chiedza chinooneka chine marefu mapfupi uye simba rakawanda pane chiedza kune rumwe rutivi rwemavara. Zuva ndiro tsime rechiedza chebhuruu, asi chiedza chebhuruu chinobvawo:

• Makomputa, mahwendefa uye mafoni

• Fluorescent magetsi

• Mwenje dze LED

• Zviratidziro zveterevhizheni

Nhau dzakanaka ndedzekuti hapana humbowo mwenje webhuruu kubva kumasikirini unokuvadza maziso emwana. Asi, zvakaoma kuziva kana paine mhedzisiro yenguva refu nekuti zviratidziro hazvina kuve chikamu chezuva nezuva chehupenyu hwedu kwenguva yakareba kudaro.

Magirazi ebhuruu evana anokanganisa sei maziso avo?

Imwe nguva muzuva zuva rega rega rine hutano kune vana. Muchokwadi, kushomeka kwezuva zuva nezuva kunogona kuderedza njodzi yemyopiakana kuti kunonotsa kufambira mberi kwayo.

Asi kunyanya kuratidzwa kuchiedza chebhuruu kubva kuzuva nekufamba kwenguva kunogona kukonzera kukuvara kweretina. Imhaka yokuti chiedza chebhuruu chakawanda chinosvika paziso remwana pane chemunhu mukuru. Uye kunyanya kuratidzwa chiedza chezuva kwoupenyu hwose kungatungamirira kuzvinetso zvokuona mukukura. Semuenzaniso, mwenje weblue uye UV mwenje kuratidzwa kunogona kuve kwakabatana nezeramacular degeneration, izvo zvinogona kukonzera kurasikirwa kwekuona.

Chiedza chebhuruu uye skrini nguva yevana

Vana vanowana zvishoma zvishoma chiedza chebhuruu mukati memba kupfuura zvavanoita kunze. Asi vana vanopedza nguva yakawanda vari pamberi pemasikirini vanogona kunge vaine mukana wekukuradhijitari ziso kunetsa, inozivikanwawo secomputer vision syndrome.

Zviratidzo zvekunetsekana kweziso muvana zvinogona kusanganisira:

• Shanduko dzechiono

• Maziso akaoma

• Kuneta kwemaziso

• Kuneta

• Kutemwa nemusoro

• Mamiriro asina kunaka

Dzimwe njodzi dzekunyanyisaskrini nguva yevanauye kuratidzwa kwechiedza cheblue chakawandisa kunosanganisira kukanganisa kurara kwemuviri/kumuka. Izvi zvinogona kutungamira mukupenga, kurara kuchikoro uye nenyaya dzehutano.

Magirazi ebhuruu evana anoshanda zvechokwadi here?

Imwe nzira yekudzivirira maziso emwana wako kubva pachiedza chebhuruu kumba uye kuchikoro kutengamagirazi eblue light. Unogona kutenga magirazi ekunyorerwa kana asiri-akanyorwa nemishonga ane malenzi akakosha akagadzirirwa kusefa kunze kwechiedza chebhuruu.

Magirazi ebhuruu emwenje anovharira chimwe chikamu chemwenje wavelengths uye anogona kunge aine yero zvishoma kumalenzi. Vanogona kubatsira kuchengetedza vana kubva kudhijitari yeziso.

Kunyange zvazvo magirazi ebhuruu asingasefa chiedza cheblue chese, anogona kuderedza kuratidzwa kwemwana wako nemwaranzi yeblue-violet ne80 percent kana kudarika. Vabereki vangangoda kufunga nezvekudzikamisa skrini yevana vadiki uye kuwana magirazi ebhuruu evana vane makore gumi nemaviri zvichikwira kana vana vadiki vari kutarisa zvikirini kwemaawa pazuva, Lott anodaro.

Peya yakanakamagirazi ezuva evanaZvakare zvakakosha pakuvhara mwenje weUV uye mwenje webhuruu kana mwana wako achitamba panze kwemaawa akawanda kana kuita chiitiko chine kupenya kwakawanda, sekurembera pamhenderekedzo yegungwa kana kuskiing. Kana wakapfeka magirazi ezuva, vana vako vanofanira kunge vakapfeka avo.