Poor colour vision in a young adult with a family history
Clinical history
- Laterality
- Both
- Urgency
- Soon
A 24-year-old with lifelong poor colour vision and slowly declining acuity in both eyes; a parent has the same problem.
- Examination
- Reduced acuity and colour vision, pale discs, no swelling, temporal pallor early and diffuse pallor later.
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: Colour fundus photograph
Describe the abnormality and give the most likely diagnosis. You will locate the finding first; the answer options stay hidden until you have.