Visual atlas
See it before you are asked to name it
132 real images across 7 modality groups. Every one was opened on its Wikimedia Commons file page and checked for what it shows, its licence and whether anyone could be recognised. Tap an image to study it; the practice case behind it grades your localisation and diagnosis.
Image of the dayUltra-widefield image at a myopia reviewTry it blind 3 images
B-scan ultrasoundUltrasound when the fundus cannot be seen
A 60-year-old with sudden loss of vision and a dense vitreous haemorrhage; no fundus view, so a B scan is performed.
intermediate · retina
B-scan ultrasoundLabelledUltrasound of a child with a white pupil
A two-year-old whose parents noticed a white reflection in one pupil in flash photographs.
advanced · oncology
B-scan ultrasoundLabelledThe closed angle, seen by ultrasound
An ultrasound biomicroscopy image of the anterior segment of an eye with angle closure.
advanced · glaucoma