전체 글63 SPEED Questionnaire, dry eye symptom, Standardized Patient Evaluation of Eye Dryness 👁 What is the SPEED Questionnaire?The SPEED (Standardized Patient Evaluation of Eye Dryness) is a self-assessment tooldesigned to measure symptoms of dry eye based on a patient's subjective experience.🔍 StructureThe SPEED test consists of 3 main components:Listing of symptoms (e.g., dryness, irritation, burning)Frequency ratingSeverity rating🧪 Scoring SystemFrequency (0 to 3 points per sympto.. 2025. 4. 19. Common Ocular Surface Dyes in Eye Examinations 👁 Common Ocular Surface Dyes in Eye ExaminationsIn ophthalmology, three major vital stains are used to assess the health of the corneal and conjunctival surfaces:🔸 Fluorescein🟢 Appears green under cobalt blue light🔶 The solution itself is orange-colored🧪 Used primarily to highlight corneal epithelial defects✅ Most common and essential in corneal staining 🔸 Rose Bengal🌺 A red dye, reminisc.. 2025. 4. 19. What is Spheroidal Degeneration of the Cornea (SDC)? What is Spheroidal Degeneration of the Cornea (SDC)?Spheroidal degeneration is a degenerative ocular condition characterized by the deposition of yellow-brown, globular proteinaceous material in the cornea and/or conjunctiva.The term “spheroidal” implies a nearly spherical but imperfectly round appearance.🔍 Alternate NamesClimatic Droplet Keratopathy (CDK)Bietti’s nodular degeneration, Fisherma.. 2025. 4. 19. Corneal Lipid Degeneration What is Corneal Lipid Degeneration?Corneal Lipid Degeneration refers to the accumulation of lipids (fats) in the cornea,which can lead to corneal opacities. It is classified into:Primary (idiopathic)Secondary (acquired) 🔹 Primary Lipid DegenerationExtremely rare; no identifiable underlying causeOccurs without corneal neovascularizationLipids deposit in both central and peripheral stromaBlood li.. 2025. 4. 18. Cornea Farinata symptom sign treatment What is Cornea Farinata?Cornea Farinata refers to a non-progressive corneal condition characterized byfine, flour-like specks located in the deep stromal layer near Descemet’s membrane.The name Farinata comes from the Latin word for flour.🔍 Key FeaturesFound in the posterior stroma, especially near Descemet’s membraneAppears as tiny, dust-like brown or white opacitiesBest visualized under retro.. 2025. 4. 18. Hassall-Henle Body = Descemet warts 👁 What is a Hassall-Henle Body?Hassall-Henle bodies, also known as Descemet warts, areprotrusions of Descemet’s membrane observed at the peripheral cornea.They are commonly seen in older individuals and are often considered a non-pathologic, age-related change.🔍 Clinical AppearanceSeen as small, round dark holes under specular microscopyRepresent thickened peripheral Descemet’s membrane that b.. 2025. 4. 15. Limbal Girdle vogt , type1 & type 2 difference 👁 What is Limbal Girdle?Limbal girdle refers to a white, arc-shaped opacity seen at the peripheral cornea, near the limbus.It is a common, age-related degeneration, typically asymptomatic.🔍 Key FeaturesFound in 55% of people aged 40–60Seen in almost 100% of individuals over age 80Typically bilateral and symmetricMost common in the nasal and inferior limbus 🧬 Types of Vogt’s Limbal Girdle🟡 Ty.. 2025. 4. 15. Corneal Degeneration vs. Corneal Dystrophy – What’s the Difference 👁 Corneal Degeneration vs. Corneal Dystrophy – What’s the Difference?When describing corneal changes, ophthalmologists distinguish between:DegenerationDystrophyEach term refers to different causes, patterns, and implications.🧬 🔍 DefinitionsAspectDegenerationDystrophyOnsetTypically in middle-aged or elderly individualsUsually before age 10CauseAcquired, age-related, environmentalGenetic, conge.. 2025. 4. 15. Posterior Polymorphous Corneal Dystrophy (PPMD/PPCD) symptom, treatment, prognosis 👁 What is Posterior Polymorphous Corneal Dystrophy (PPMD/PPCD)?Posterior Polymorphous Corneal Dystrophy (PPMD/PPCD) is a rare, autosomal dominantcorneal dystrophy in which corneal endothelial cells take on epithelial-like characteristics.🔍 Key FeaturesUsually asymptomatic, no significant pain or vision lossDoes not typically progress to stromal edema or severe corneal hazeIn rare cases, it may.. 2025. 4. 15. Prev 1 ··· 3 4 5 6 7 Next
