Acute or sudden vision loss is due to one of the following causes: Opacification of normally transparent structures anterior to retina Retinal abnormalities Abnormalities of…
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Ophthalmology
Acute Red Eye : Simplified Approach
Red eye reflects hyperemia or engorgement of superficial visible conjunctival, episcleral or ciliary vessels. A) DIFFERENTIAL DIAGNOSES FOR ACUTE RED EYE 1. Painless red eye:…
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History and Examination in Ophthalmology
A) HISTORY Besides chief complaints, other portion of history is similar to the one you prepare in internal medicine. 1. Description of symptom (SOCRATES): S…
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Glaucoma basics : Classification of Glacuoma
Definition: Glaucoma is a group of disorders characterized by a progressive optic neuropathy resulting in a characterstic appearance of the optic disc and a specific pattern of irreversible visual field…
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Pterygium Excision
Indications for surgery: 1. Reduced vision secondary to: Threatens visual axis: Pterygium advancing toward or already impinging visual axis Induced astigmatism: Due to flattening of…
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Histology of Cornea and Corneal Dystrophies
Prefix: kerat- Definition: The cornea is a transparent, avascular, watch-glass like structure which forms anterior one-sixth of the outer fibrous coat of the eyeball and covers iris, pupil…
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Uses of Fluorescein strips
Content: 1-2% fluorescein dye impregnated Method of use: Explain the procedure to the patient Ask the patient to look up Moisten the strip with a…
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Understanding visual field defects in Glaucoma (Perimetry)
Introduction Field of vision or Visual field is defined as the area that is perceived while fixating one central target. According to traquair’s analogy, visual…
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