Formation des images sur la rétine

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A2.a!Anatomie!et!fonctionnement!des!différentes!parties!de!l’œil!!
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i.!L’œil!réduit!:!une!modélisation!de!l’œil!
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œil!réduit!
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DIAPHRAGME!
IRIS!
CONTRÔLE!DE!LA!QUANTITE!DE!
LUMIERE!ENTRANT!DANS!L’OEIL!
LENTILLE!
CRISTALLIN!
FOCALISE!LA!LUMIERE!(IMAGE)!
SUR!LA!RETINE!
(ACCOMMODATION)!
ECRAN!
RETINE!
LIEU!DE!FORMATION!DE!
L’IMAGE!ET!TRANSFORMATION!
DE!L’INFORMATION!
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A2.b!Règles!d’optique!
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i.!Différents!types!de!lentilles!minces!
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ii.!Propriétés!des!lentilles!minces!convergentes!
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A2.c!Formation!de!l’image!sur!la!rétine!
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i.!Convergence!
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ii.!Vision!des!objets!lointains!(>!6m)!
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iii.!Vision!des!objets!proches!(<!6m)!:!l’accommodation!
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iv.!Domaine!de!vision!nette!(champ!visuel)!
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A2.d!Les!défauts!de!l’œil!et!techniques!de!correction!
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Œil!myope!
Œil!hypermétrope!
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TROP!CONVERGENT!
PAS!ASSEZ!CONVERGENT!
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LENTILLE!DIVERGENTE!
LENTILLE!CONVERGENTE!
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Œil!presbyte!
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