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Lagophthalmos
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This term is used when there is insufficiency or failure in eyelid closure.  This most often occurs due to reduced orbicularis function secondary to a 7th (facial) nerve weakness eg Bell’s palsy.  The sclera (and/or cornea) is still visible even when an individual is trying to forcibly close their eye.

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Core Principles

1. Ocular Anatomy

2. Ophthalmic History

3. Measuring Visual Acuity

4. External Inspection / Eyelids

5. Everting The Eyelids

6. Anterior Segment

7. Pupillary Reflexes (and Dilatation)

8. Ocular Motility

9. Visual Fields

10. Direct Ophthalmoscopy

Ophthalmology in Practice

1. Red Eye Introduction

2. Red Eye Diagnosis

3. Visual Failure Introduction

4. Gradual Loss of Vision

5. Sudden Loss of Vision

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