Superior Orbital Fissure (SOF) is a cleft between greater and lesser wing of sphenoid which connects orbit and middle cranial fossa. It is divided into…
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Ophthalmology
Proptosis : Mnemonic based Approach
Proptosis refers to the forward displacement of the eyeball beyond the orbital margin with the patient looking straight ahead. The term “Exopthalmos” is reserved for…
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Schirmer’s test
Schirmer’s test is a measurement of tear production, devised by the German ophthalmologist Otto W.A. Schirmer. Originally, Schirmer used blotting paper to collect tears elicited…
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Lasers in Ophthalmology – Mnemonic
Order of decreasing wavelength Mnemonic: CHyNa PuRE The laser tissue interaction can be remembered in the reverse order using the mnemonic ACiDiTy. Carbon dioxide (CO2):…
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Ophthalmology Mnemonics
PERIORBITAL EDEMA P: Pregnancy E: Edema: angioedema, cellulitis R: Renal: nephrotic I: Infectious mononucleosis: Hoagland’s sign O: Obstruction: SVC R: Rheumatic: Dermatomyositis, Cutaneous SLE B: Bitten…
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Hypertensive Retinopathy Grading – Simplified
Hypertensive retinopathy has been classified by Keith, Wagener & Barker and Scheie (hypertensive and arteriosclerotic features). With this mnemonic, we will have a grading with…
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Visual cycle – Simplified
11-cis-retinal combines with opsin protein to form rhodopsin. Light stimulates conversion of rhodopsin bound 11-cis-retinal to all-trans-retinol (all-trans-retinol is transported from photoreceptor cells to retinal…
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Parinaud Syndrome – Anatomical Basis
Synonyms: Dorsal midbrain sydnrome, Pretectal syndrome Main components of Parinaud syndrome: Vertical gaze palsy Convergence-retraction nystagmus Pupillary light-near dissociation Lid retraction (Collier’s sign) Anatomical basis…
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