Practice CPSP FCPS I Ophthalmology questions with answers and explanations.
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Pterygium is a triangular fibrovascular growth of conjunctiva extending onto the cornea.
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Cataract is opacification of the crystalline lens causing progressive visual impairment.
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Primary open-angle glaucoma is a chronic optic neuropathy often associated with raised intraocular pressure and open drainage angles.
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Acute angle-closure glaucoma is sudden closure of the anterior chamber angle causing painful red eye and raised intraocular pressure.
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Retinal detachment is separation of the neurosensory retina from the underlying retinal pigment epithelium.
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Diabetic retinopathy is retinal microvascular damage caused by diabetes mellitus.
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Papilloedema is optic-disc swelling caused by raised intracranial pressure.
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Optic neuritis is inflammation of the optic nerve causing visual loss, often with pain on eye movement.
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First-pass metabolism is presystemic metabolism that reduces oral bioavailability before a drug reaches systemic circulation.
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Half-life is the time required for the plasma concentration of a drug to fall by one half.
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Therapeutic index is a measure comparing toxic and effective doses and indicating a drug safety margin.
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Loading dose is an initial larger dose used to achieve a target concentration rapidly.
