Munyori: Janice Evans
Zuva Rekusika: 23 Chikunguru 2021
Gadziridza Zuva: 13 Chivabvu 2024
Anonim
The angle grinder sparks and twitches. What is the problem? How to fix an angle grinder?
Vhidhiyo: The angle grinder sparks and twitches. What is the problem? How to fix an angle grinder?

Hupofu kushaya chiono. Inogona zvakare kureva kurasikirwa kwemaonero kusingakwanise kugadziriswa nemagirazi kana malensi ekutaurirana.

  • Kusagadzikana kupofumadzwa zvinoreva kuti une mashoma maonero.
  • Kuzadza hupofu kunoreva kuti haugone kuona chero chinhu uye usingaone chiedza. (Vazhinji vanhu vanoshandisa izwi rekuti "hupofu" zvinoreva hupofu hwakazara.)

Vanhu vane chiono chakaipisisa kupfuura 20/200, kunyangwe nemagirazi kana malenzi, vanoonekwa semapofu zviri pamutemo mumatunhu mazhinji muUnited States.

Kuona kurasikirwa kunoreva kurasikirwa zvishoma kana kwakazara kwemaonero. Uku kurasikirwa kwemaonero kunogona kuitika kamwe kamwe kana pamusoro penguva yakati.

Dzimwe mhando dzekuona kurasikirwa hadzimbotungamira kuhupofu hwakazara.

Kuona kurasikirwa kune zvikonzero zvakawanda. MuUnited States, zvikonzero zvinotungamira ndezvi:

  • Njodzi kana kukuvara kumusoro kweziso (makemikari kupisa kana kukuvara kwemitambo)
  • Chirwere cheshuga
  • Glaucoma
  • Macular kudzikira

Rudzi rwekusarudzika kwemaonero kurasikirwa kunogona kusiyana, zvichienderana nechikonzero.


  • Nemakona, maonero anogona kunge ane makore kana asina kusimba, uye kupenya kunogona kukonzera kupenya
  • Nechirwere cheshuga, chiratidzo chinogona kunge chisina kujeka, panogona kunge paine mimvuri kana nzvimbo dzinoshayikwa dzekuona, uye kunetsekana kuona husiku
  • Ne glaucoma, panogona kuve nemuono wekuona uye nzvimbo dzinoshayikwa dzekuona
  • Ne macular degeneration, iyo yekuona chiratidzo yakajairika, asi iyo yepakati chiratidzo inononoka kurasika

Zvimwe zvikonzero zvekurasikirwa kwemaonero zvinosanganisira:

  • Midziyo yeropa yakavharika
  • Matambudziko ekuzvarwa nguva isati yakwana (retrolental fibroplasia)
  • Matambudziko ekuvhiyiwa kwemaziso
  • Ziso rine usimbe
  • Optic neuritis
  • Kurohwa
  • Retinitis pigmentosa
  • Tumarara, senge retinoblastoma uye optic glioma

Hupofu hwese (hapana mwenje wekuona) unowanzo kuve nekuda kwe:

  • Kushungurudzika kwakanyanya kana kukuvara
  • Yakazara retinal detachment
  • End-nhanho glaucoma
  • Kupera chikamu cheshuga retinopathy
  • Yakanyanya hutachiona hwemaziso (endophthalmitis)
  • Vascular kuvhara (kurohwa muziso)

Paunenge uine kuona kwakaderera, unogona kunetseka kutyaira, kuverenga, kana kuita tudiki tushoma sekusona kana kugadzira hunyanzvi. Unogona kuita shanduko mumba mako nemaitiro anokubatsira kuti ugare wakachengeteka uye wakazvimirira. Mazhinji masevhisi anokupa iwe iyo rovedzo uye rutsigiro iwe rwaunoda kuti urarame zvakasununguka, kusanganisira kushandiswa kweakaderera kuona anobatsira.


Kungoerekana kurasikirwa kwemaonero kunogara kuri kwekukurumidzira, kunyangwe kana usati warasa zvakakwana kuona. Iwe haufanire kufuratira kurasikirwa kwekuona, uchifunga kuti zvichave nani.

Bata anththalmologist kana kuenda kuchimbichimbi mukamuri nekukurumidza. Mhando dzakakomba dzeratidziro kurasikirwa hadzirwadzi, uye kusavapo kwekutambudzika hakuna nzira kunoderedza kudiwa kwekukurumidza kwekurapwa. Maitiro mazhinji ekurasikirwa nemeso anongokupa iwe pfupi pfupi yenguva yekurapwa zvinobudirira.

Mutapi wako wezvehutano anozoongorora bvunzo dzakazara. Mushonga unoenderana nechikonzero chekurasikirwa kwemaonero.

Kune ekuona kwenguva refu kwekuona, ona nyanzvi yekuona-pasi, uyo anogona kukubatsira iwe kudzidza kuzvitarisira uye kurarama hupenyu hwakazara.

Kurasikirwa kwemaonero; Hapana kuona kwechiedza (NLP); Kutarisa kwakaderera; Kuona kurasikirwa nehupofu

  • Neurofibromatosis I - yakawedzera optic foramen

Cioffi GA, Liebmann JM. Zvirwere zvechiratidzo chekuona. Mune: Goldman L, Schafer AI, eds. Goldman-Cecil Mushonga. 26th ed. Philadelphia, PA: Elsevier; 2020: chitsiko 395.


Colenbrander A, Fletcher DC, Schoessow K. Vision kugadzirisa. Mune: Kellerman RD, Rakel DP, eds. Conn Yazvino Therapy 2021. Philadelphia, PA: Elsevier; 2021: 524-528.

Fricke TR, Tahhan N, Resnikoff S, et al, Kupararira kwepasirese kwepresbyopia uye kukanganisika kwemaonero kubva kune isina kugadziriswa presbyopia: kuongorora kwakarongeka, meta-kuongorora, uye modelling. Ophthalmology. 2018; 125 (10): 1492-1499. PMID: 29753495 pubmed.ncbi.nlm.nih.gov/29753495/.

Olitsky SE, Marsh JD. Kukanganiswa kwekuona. Mune: Kliegman RM, St. Geme JW, Blum NJ, Shah SS, Tasker RC, Wilson KM, eds. Nelson Chinyorwa chePediatrics. 21st ed. Philadelphia, PA: Elsevier; 2020: chitsiko 639.

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