Term
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Definition
| Infection or inflammation of structures surrounding the cornea and in front of the iris. |
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Term
| What are the sight threatening conditions which can cause acute red eye? |
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Definition
1) Endopthalmitis
2) Acute glaucoma
3) Corneal ulcer |
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Term
| What are the non sight threatening conditions which can cause acute red eye? |
|
Definition
1) Conjunctivitis
2) Episcleritis
3) Anterior uveitis
4) Scleritis |
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Term
| What are indications of endopthalmitis? |
|
Definition
1) Post-operative (24-48 hours)
OR: metastatic
2) Dilated pupil
3) Hypopyon |
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Term
|
Definition
| An inflammation of the inner coats of the eye. |
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Term
| What causes acute glaucoma? |
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Definition
| A rapid rise in intraocular pressure as a result of blockage of the drainage of aqueous. |
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Term
| Whata are the clinical features of episcleritis? |
|
Definition
1) Severe pain preventing sleep
2) Normal pupil
3) Vision may be affected |
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Term
| What are the clinical features of episcleritis? |
|
Definition
1) Mild discomfort
2) Benign
3) Normal pupil- vision not affected
4) Nodule over sclera |
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Term
|
Definition
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Term
| What is optic neuritis and what would you observe in a patient? |
|
Definition
| Optic nerve inflammation associated with M.S. A RAPD. |
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Term
| What are painless causes of a sudden loss of vision? |
|
Definition
1) Vitreous haemorrhage
2) Retinal detachment
3) Central retinal artery/ vein occlusion
4) Wet age related macular degeneration
5) Ischaemic optic neuropathy |
|
|
Term
| What are the possible causes of a retinal artery occlusion and what would you observe? |
|
Definition
| Thrombotic/ embolic. RAPD. |
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Term
| How is wet age maular degeneration caused? |
|
Definition
| Now blood vessels form under the retina lifting up the photoreceptors to cause distortion. |
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Term
| What can cause giant cell arteritis? |
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Definition
| The head and neck becoming ischaemic leading to an ischaemic optic nerve head. |
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Term
| What are the symptoms of giant or temporal arteritis? |
|
Definition
1) Headache
2) Jaw claudication
3) Temporal tenderness |
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|
Term
| What can cause a gradual loss of vision? |
|
Definition
1) Diabetic maculopathy
2) Dry age related macula degeneration
3) Inherited retinal degenerations
4) Progressive optic neuropathy |
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