Topography in a teenager whose glasses keep changing
Clinical history
- Laterality
- Left
- Urgency
- Routine
A 17-year-old with atopy and eye rubbing whose astigmatism has increased at each of three visits.
- Examination
- Scissoring retinoscopy reflex, irregular mires, and later Vogt striae, a Fleischer ring and Munson sign.
Presentation typical of this diagnosis, written for teaching. The source dataset provides the image and its label only, with no accompanying clinical record.
The study opens when you begin.
Read the history first and decide what you expect to find. Committing to an expectation before you look is most of what separates interpreting from noticing.
Step 1 of 3 · Read the history
Study: Corneal topography
Describe the abnormality and give the most likely diagnosis. You will locate the finding first; the answer options stay hidden until you have.