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‫إعداد‬/‫بخيت‬ ‫سمعان‬ ‫محروس‬ ‫إيهاب‬
‫التعليميه‬ ‫المنتزه‬ ‫بإدارة‬ ‫علوم‬ ‫مدرس‬
‫مدرسة‬/‫د‬.‫ع‬ ‫مراد‬ ‫حلمى‬ ‫محمد‬.‫ص‬
‫اإلنسان‬ ‫عين‬
‫اإلنسان‬ ‫عين‬
‫األمام‬ ‫من‬ ‫العين‬
‫الحدقة‬
‫القزحي‬‫ة‬
‫ا‬‫لقرنية‬
‫الرموش‬
‫العين‬ ‫مكونات‬
‫السائل‬
‫المائي‬
‫القرنية‬
‫العدسة‬
‫الحدقة‬
‫القزحية‬
‫الهدبي‬ ‫الجسم‬ ‫الزجاجي‬ ‫السائل‬
‫البصري‬ ‫العصب‬
‫الصفر‬ ‫البقعه‬‫اء‬
‫الشبكية‬
‫العمياء‬ ‫نقطة‬
‫الشفافة‬ ‫األوساط‬
‫للعين‬
‫السائل‬‫املائي‬
‫العدسه‬
‫السائل‬‫الزجاجي‬
‫السائل‬‫املائي‬
‫بي‬ ‫موجود‬ ‫شفاف‬ ‫سائل‬ ‫عن‬ ‫ة‬‫ر‬‫عبا‬‫ن‬
‫القز‬ ‫بين‬ ‫و‬ ، ‫القزحية‬ ‫و‬ ‫القرنية‬‫حية‬
‫العدسة‬ ‫و‬
‫ـة‬‫ـ‬‫س‬‫العد‬
‫مقربة‬ ‫شفافة‬ ‫عدسة‬ ‫هي‬(‫المة‬)‫تق‬‫ع‬
‫بالجس‬ ‫مربوطة‬ ‫وهي‬ ‫القزحية‬ ‫بعد‬‫م‬
‫ع‬‫الخيال‬ ‫بضبط‬‫الهدبي،تسمح‬‫لى‬
‫الشبكية‬
‫السائل‬‫الزجاجي‬
‫ي‬ ،‫جيالتيني‬‫سائل‬ ‫عن‬ ‫ة‬‫ر‬‫هوعبا‬‫مأل‬
‫و‬ ‫العدسة‬ ‫بين‬‫العين‬ ‫داخل‬
‫الشبكية‬.
‫البؤبؤ‬ ‫أو‬ ‫الحدقة‬
‫منه‬ ‫ينفد‬ ‫القزحية‬ ‫داخل‬ ‫هوثقب‬
‫جي‬‫ر‬‫الخا‬ ‫الوسط‬ ‫من‬‫الضوء‬
(‫املرئي‬‫الجسم‬)‫العين‬ ‫داخل‬‫الى‬
(‫الشبكية‬ ‫نحو‬)
‫القزحية‬
‫،تسم‬ ‫العين‬ ‫من‬‫ن‬‫امللو‬ ‫الجزء‬ ‫هي‬ ‫و‬‫ح‬
‫الى‬ ‫النافدة‬ ‫الضوء‬ ‫كمية‬ ‫بتحديد‬
‫العين‬
‫الحدقة‬ ‫حجم‬ ‫في‬ ‫بالتحكم‬ ‫ذلك‬ ‫و‬.
‫الشبكية‬
‫الخلفي‬ ‫الجزء‬ ‫تبطن‬ ‫طبقة‬ ‫هي‬
‫الجز‬ ‫تعد‬‫العين،كما‬ ‫لكرة‬ ‫الداخلي‬‫ء‬
‫العين‬ ‫في‬ ‫الحساس‬
‫استقبال‬ ‫شاشة‬ ‫ر‬‫دو‬ ‫وتلعب‬.
‫ي‬‫البصر‬‫العصب‬
‫ات‬‫ر‬‫اإلشا‬ ‫طريقه‬‫عن‬ ‫يبعث‬
‫الدماغ‬ ‫الى‬‫الشبكية‬ ‫الضوئيةمن‬.
‫مالحظات‬
1-‫يترجم‬‫و‬ ‫الضوئية‬ ‫ات‬‫ر‬‫اإلشا‬ ‫الدماغ‬ ‫يعالج‬‫ها‬
2-‫الشبكي‬ ‫على‬‫األجسام‬‫ة‬‫ر‬‫صو‬ ‫تشكلت‬ ‫اذا‬‫صحيحة‬ ‫ية‬‫ؤ‬‫الر‬ ‫ن‬‫تكو‬‫ة‬.
‫ية‬‫ؤ‬‫الر‬ ‫و‬ ‫العين‬
‫الشبكية‬ ‫مكونات‬
‫الشبكية‬ ‫مكونات‬
‫صبغية‬ ‫خاليا‬
‫عصوية‬ ‫خاليا‬
‫مخروطية‬ ‫خاليا‬
‫ضوئي‬ ‫مستقبالت‬‫ة‬
‫مشابيك‬
‫الق‬ ‫ثنائية‬ ‫خاليا‬‫طب‬
‫عقدية‬ ‫خاليا‬
‫عصبية‬ ‫ألياف‬
‫الشبكية‬ ‫مكونات‬
‫الخالصة‬
‫الخال‬ ‫من‬ ‫نوعان‬ ‫بالشبكية‬ ‫يوجد‬‫يا‬
‫للضوء‬ ‫املستقبلة‬:
1-‫طية‬‫و‬‫املخر‬‫الخاليا‬.
2-‫العصوية‬‫الخاليا‬.
‫العصوية‬ ‫الخاليا‬
‫باألبيض‬ ‫ية‬‫ؤ‬‫الر‬ ‫عن‬ ‫لة‬‫و‬‫املسؤ‬‫هي‬‫و‬
‫األسود‬
‫الظالم‬ ‫في‬ ‫أكثر‬ ‫نستخدمها‬ ‫و‬(‫ضوء‬
‫خافت‬)
‫طية‬‫و‬‫املخر‬‫الخاليا‬
‫ي‬‫ؤ‬‫ر‬ ‫أو‬‫باأللوان‬ ‫ية‬‫ؤ‬‫الر‬‫عن‬ ‫لة‬‫و‬‫املسؤ‬‫هي‬‫ة‬
‫البعض‬‫بعضها‬ ‫عن‬ ‫األلوان‬‫تمييز‬ ‫عن‬.
1-‫ق‬‫ر‬‫األز‬‫للضوء‬ ‫الحساسة‬‫منها‬ ‫و‬.CB
2-‫األخضر‬‫للضوء‬ ‫الحساسة‬.CV
3-‫األحمر‬‫للضوء‬ ‫الحساسة‬.CR

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