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مشيميه یا کوروئید - مرکز چشم پزشکی دکتر علیرضا نادری

مشيميه یا کوروئید

 

 

ساختمان چشم – آناتومی مشمیه

لایه میانی چشم عمدتاَ از بافت عروقی (رگهای خونی) تشکیل شده است.مشيميه پرده نازك سياه رنگي است كه دور شبكيه را احاطه كرده است. اين پرده تعداد زيادي رگ هاي خوني دارد كه مواد غذايي را به بخش هايي از شبكيه مي رساند. به علاوه سلول هاي اين لايه حاوي تعداد زيادي رنگ دانه سياه ملانين است كه رنگ سياهي به اين بخش از چشم مي دهد. وجود رنگ سياه مانع از انعكاس نورهاي اضافي در داخل كره چشم مي شود و به تشكيل تصوير واضحتر كمك مي كند.

 

 

 

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