Anatomy And Physiology Of Eye Ak Khurana Pdf Extra Quality

| Anatomy/Physiology Topic | Clinical Application | |--------------------------|----------------------| | Open-angle glaucoma | Impaired outflow through trabecular meshwork → raised IOP → optic disc cupping | | Central retinal artery occlusion | Sudden painless monocular blindness; cherry-red spot (because choroid supplies fovea) | | Horner’s syndrome | Sympathetic chain lesion → ptosis, miosis, anhidrosis | | Argyll Robertson pupil | Light-near dissociation (usually neurosyphilis) – lesion in pretectal area | | Diabetic retinopathy | Non-proliferative: microaneurysms, hemorrhages; Proliferative: VEGF-driven neovascularization | | Cataract | Lens opacity due to UV, diabetes, aging – disrupts crystallin organization |

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