Gwaji don astigmatism

Gilashin ruwan tabarau da kuma abin da ke daidai da na cornel suna da siffar siffar ta yau da kullum. Rashin yin amfani da curvature an kira shi astigmatism. Wannan cututtuka shine babban dalilin lahani na gani, yawanci haɗuwa da myopia da hyperopia .

Binciken gwaji na pathology yana taimakawa ta gwaji don astigmatism. Don gudanar da shi sosai, saboda wannan dalili ba lallai ba ne mahimmanci don ziyarci wani likitan ilimin likitancin mutum.

Cutar cututtuka don gwaji na astigmatism

Alamar alamomi na curvature na canea ko ruwan tabarau:

• lalacewar hangen nesa;
• ciwon kai;
• damuwa, rikici ko bifurcation na abubuwa;
• Rashin gajiya lokacin yin aiki, da ake buƙatar ido;
• myopia;
• hypermetropia.

Ya kamata mu lura cewa waɗannan bayyanar cututtuka ba kullum nuna alamun astigmatism ba. Dole ne a bincika ganewar asali.

Nazarin hangen nesa don ganewar asirin astigmatism

Hoton da ya fi kyau, wanda ya ba da dama don gano nau'in halitta - star na Siemens.

Lambar gwaji 1:

1. Shirya domin yanayin shine a matakin ido.
2. Tsakanin kai da allon ya zama nesa na kimanin 35-50 cm.
3. Yi nazarin hoton a hankali.

Tare da raunin gani, haskoki, ba kaiwa tsakiyar ba, fara farawa, juyewa ko haɗi tare da bango. Zai iya zama alama cewa hoton ya zama mummunan - rairayin fararen suna baƙar fata da kuma ƙyama. Har ila yau, mutanen da ke kallon kallon kallo suna kallon iyakokin bayyanar fili na layi a cikin siffar ellipse ko mafi yawan lambobi, maimakon a'irar.

Sakamakon gwaji 2:

1. Kada ku canza matsayin da aka yi a cikin akwati na baya.
2. Rufa daya tare da dabino ko takardar takarda, la'akari da hoton.
3. Yi maimaita daya don sauran ido.

Duk layi a cikin hoton suna da launi daya da nisa, kuma sassan cikin kowane rukuni suna da daidaituwa ɗaya. Idan alama cewa wannan ba lamari ba ne, za'a iya samun astigmatism.

Sakamakon gwaji 3:

1. Don zama don tauraron yana a saman kai, a nesa da 25-30 cm.
2. Hakan yana rufe daya da daya ido, a hankali ka dubi haskoki.

Kamar yadda aka yi a jarrabawar da ta gabata, dukkanin layuka a cikin tauraron suna daidai baki da tsawo. A tsakiyar suna haɗuwa a gefen dama. Lokacin da alama wasu sassan suna da haske ko duhu, muni, tsayi, kuma a tsakiya maimakon wani da'irar, wani ellipse, siffa takwas ko wasu siffofin, ya kamata ka tuntuɓi likitan magunguna.

Kuna buƙatar gwajin Amsler don astigmatism?

Ana amfani da wannan hoton a wasu lokuta a cikin ganewar asirin astigmatism a matsayin wata hanya ta gano ƙarin rashin hankali na gani, musamman - macene degeneration .

Amsa:

1. A lokacin da saka ruwan tabarau na sadarwa ko gilashi ci gaba da sa su.
2. Shirya hoton a matakin gada na hanci, a nesa da 25-30 cm.
3. Don rufe ido ɗaya, don duba dutsen a tsakiya, tuna yadda yadda grid yake kama da wannan.
4. Maimaita don sauran ido.

Tare da hangen nesa na al'ada, layin grid ɗin yana zama a layi, ba tare da stains, distortions ko hargitsi ba. In ba haka ba, kana buƙatar ziyarci wani gwani.