आँख
(aangrezi:Eye) aankh adhikaansh jiv jantuoan ke sharir ka avashyak aang haian. is lekh mean manav sharir se sanbandhit ullekh hai. aankh ya netroan ke dvara hamean vastu ka 'drishtijnan' hota hai. drishti vah sanvedan hai, jis par manushy sarvadhik nirbhar karata hai. drishti ek jatil prakriya hai, jisamean prakash kiranoan ke prati sanvedita, svaroop, doori, rang adi sabhi ka pratyaksh jnan sannihit hai. aankhean atyant jatil jnanendriyaan haian, jo dayian-bayian donoan or ek-ek netrakotariy guha mean sthit rahati hai. ye lagabhag golakar hoti haian tatha inaka vyas lagabhag ek ianch (2.5 seantimitar) hota hai. inhean netragolak kaha jata hai. netrakotariy guha shankvakar hoti hai. isake sabase gahare bhag mean ek gol chhidr (phoramen) hota hai, jisamean se hokar dvitiy kapaliy tantrika (aauptik tantrika) ka marg banata hai. netr ke oopar v niche do palakean hoti haian. ye netr ki dhool ke kanoan se suraksha karati haian. netr mean granthiyaan hoti haian. jinake dvara palak aur aankh sadaiv nam bani rahati haian. is guha ki chhat phrantal asthi se, pharsh maikzila se, letaral bhittiyaan kapolasthi tatha sphin aauid asthi se banati haian aur midiyal bhitti laikraimal, maikzila, itham aauil evan sphin aauid asthiyaan milakar banati haian. isi guha mean netragolak vasiy ootakoan mean ant:sthapit evan surakshit rahata hai.
aankh ki sanrachana
netr golak ki bhitti ka nirman ootakoan ki nimn tin paratoan se milakar hua hota hai-
- bahm tantum parat
- abhimadhy vahikamayi
- antarik tantrikamayi parat
- bahm tantum parat
yah aankh ki bahy, safed v aparadarshak parat hoti hai. isake ubhare hue bhag ko karniya kahate haian. is bhag mean bahar ki or ek bahut patali jhilli hoti hai. jise kanjanktaiva kahate haian. isake pichhale bhag se drishti tantrika nikalati hai. jisaka sambandh mastishk ki drik paliyoan se hota hai. bahy patal se hi netragolak ko ghumane vali peshiyaan sambandhit hoti haian.
- abhimadhy vahikamayi
yah sanyoji ootak ka bana patala star hota hai. isamean varnak koshikaean tatha rudhir koshikaoan ka jal paya jata hai. yah karniya se pichhe ek rangin gol parda banata hai. jise upatara ya airis kahate haian. isake madhy bhag mean ek chhidr hota hai jise tara kahate haian. yah bhag netr par p dane vale prakash ka niyaman karata hai. hai.
- antarik tantrikamayi parat
yah netr ki sabase andar ki mahatvapoorn parat hoti hai. isi par kisi bhi vastu ka pratibimb banata hai. drishti patal par drishti tantrika koshikaoan ka jal paya jata hai. drishti tantrika netr mean jis sthan se pratisht hoti hai, vahaan pratibimb nahian banata hai. is sthan ko andh bindu kahate haian. isi ke samip hi pit bindu paya jata hai, jis par vastu ka sarvadhik spasht pratibimb banata hai. drishti patal age ki or ek ubhayottal tal banata hai, jisake dvara prakash kiranean vastu se paravartit hokar aankh ke andar jati haian. tal ke donoan siroan par siliyari peshiyaan sthit hoti haian. inake dvara lens ka akar ghataya ya badhaya jata hai. is shakti ko netr ki sanmajan kshamata kahate haian. karniya tatha lens ke madhy jalakosh sthit hota hai, jisamean netrod drav tatha antahpatal aur lens ke madhy b da jelikosh paya jata hai, jisamean kachabh drav bhara rahata hai.
aankhoan ki sahayak sanrachanaean
aankhean atyant najuk aang haian jo sahayak sanrachanaoan ke dvara surakshit rahati haian, ye rachanaean nimnalikhit haian-
- netraguha
- bhaianhe
- palakean
- barauni
- netrashleshmala ya kॅnjanktaiva
- ashrupravahi upakaran
- netr peshiyaan
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