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…
Explore more Schirmer’s test
Ophthalmology
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):…
Explore more Lasers in Ophthalmology – Mnemonic
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…
Explore more Ophthalmology Mnemonics
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…
Explore more Hypertensive Retinopathy Grading – Simplified
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…
Explore more Visual cycle – Simplified
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…
Explore more Parinaud Syndrome – Anatomical Basis
Embryology of Eye : Mnemonic
Surface ectoderm derivatives Mnemonic: LEVeL Lens Epithelium All ocular adnexa including mebomian gland and glands of Zeis and Moll Skin Cornea Conjunctiva Vitreous (portion) Lacrimal…
Explore more Embryology of Eye : Mnemonic
Ethambutol Induced Optic Neuropathy
Mechanism of Ethambutol induced optic neuropathy Ethambutol is metabolized to a chelating agent. The chelating agent formed then may impair the function of metal-containing mitochondiral…
Explore more Ethambutol Induced Optic Neuropathy