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MCPHS CLIN MED I OPHTHALMOLOGY EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED $9.99   Add to cart

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MCPHS CLIN MED I OPHTHALMOLOGY EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED

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MCPHS CLIN MED I OPHTHALMOLOGY EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED Visual acuity Vital sign of the eye Check before initiating any tx to establish baseline Test each eye independently Eye patching Close eye and patch SNUGLY + Abx ointment (no patching of infx'd eyes...

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  • November 2, 2024
  • 15
  • 2024/2025
  • Exam (elaborations)
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MCPHS CLIN MED I OPHTHALMOLOGY EXAM QUESTIONS AND

ANSWERS WITH COMPLETE SOLUTIONS VERIFIED



Visual acuity


Vital sign of the eye

Check before initiating any tx to establish baseline

Test each eye independently


Eye patching


Close eye and patch SNUGLY

+ Abx ointment (no patching of infx'd eyes)


Macula/Fovea


Area of highest visual acuity

Most densely packed rods and cones

Few blood vessels


Optic nerve pathway


Light in temporal side - same side through whole pathway

Light in nasal side - crosses over at optic chiasm


Ocular muscles- movements and innervation


CN VI - Lateral rectus (abduction for lateral gaze)

CN IV - Superior oblique (depresses and rotates)

, CN III - Medial inferior rectus, medial superior rectus, inferior oblique (depress, elevate, adduct for

medial gaze)


Diplopia


Double vision d/t eyes not moving in tandem

Closing either eye alleviates


Anisocoria


Pupillary asymmetry

20% of population


Epiphora


Excessive tearing


Consensual light reflex


Contralateral pupil constricts with light shone in other eye d/t "crossing over" of some optic nerve fibers


Pupillary accommodation


Pupil constricts to let in less light, focus on nearby object


Marcus Gunn pupil / Relative Afferent Pupillary Defect (RAPD)


Affected pupil constricts consensually but no accommodation


Intraocular pressure (IOP)


Pressure in eye, generally anterior chamber

Normal: 8-21 mmHg

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