Sensory - Lecture Notes | York University - Edubirdie

University:
York University
Course:
NURSING 2534 | Pathophysiology
Academic year:

2023
Views:

360

Pages:

1
Author:

Niklas

Sensory A. EME: sphere shaped → receive light → convert light to impulses → occipital lobe ANTERIOR Cornea: transparent membrane → allows light to pass → if damaged: become opaque Iris: colored portion → to block light = x light entry Pupil: hole of Iris (space in middle) → allows entry of light → controlled by Iris → Elongate iris → Pupil Constriction → Shorten iris → Pupil Dilation Lens: Refracts light → Dark → light passes → Light → light passes Lens capsule: houses lens Ciliary Body: production of Aqueous (AH) → maintains Intraocular Pressure (IOP) (N: 10-21 mmHg) (ICDN: 10-20) → Drainage: Trabecular Measure Trabecular Measure: AH Drainage → Meshwork → Canal of Schlemm: if blocked → ↑ IOP → Glaucoma CB → AH → TM → CS

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