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Parinaud's Dorsal Midbrain Syndrome
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Pupils in this condition area in a mid-dilated position, with poor light response but good near response (light-near dissociation).  This arises in the mid brain due to sparing of the more ventrally placed near reflex pathway while a disease process affects the dorsally located light reflex fibres.  

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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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