Corneal Arcus
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Corneal arcus (also known as arcus senilis) is the term used to describe a grey-white ring around the periphery of the cornea. It is due to lipid deposition and starts at the lower and upper parts of the cornea before extending to encircle the entire circumference. Typically there is an area of clear cornea between the outer edge of the arcus and the limbus.

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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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