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 35 images
Slit lampLabelledProgressive visual loss in a young adult with a family history
A 26-year-old with a family history of cerebellar tumours has months of progressive visual loss in one eye.
advanced · retina
Slit lampNo view of the iris after blunt trauma
A 31-year-old assaulted the previous evening now has profound visual loss in the injured eye.
intermediate · trauma
Slit lampA small amount of blood after minor trauma
A 24-year-old caught in the eye by an elbow during football; mild pain and slight blur.
intermediate · trauma
Slit lampA white level in a painful eye
A 44-year-old contact lens wearer with three days of pain, discharge and falling vision.
foundational · uveitis
Slit lampPainful eye after sleeping in contact lenses
A 22-year-old who slept in monthly lenses wakes with a painful, watery, photophobic eye.
intermediate · cornea external
Slit lampThe same eye from a second angle
The same lens wearer; a second view of the cornea with fluorescein.
intermediate · cornea external
Slit lampSlit lamp view of a red eye with no discharge
A 50-year-old with a painless diffuse red eye; the slit lamp shows the conjunctiva.
foundational · comprehensive
Slit lampPhotophobia and a small pupil
A 32-year-old with ankylosing spondylitis has two days of a painful, photophobic red eye.
intermediate · uveitis
Slit lampAn oddly shaped pupil
A 41-year-old with a history of recurrent iritis notices that one pupil is irregular and the eye is aching again.
intermediate · uveitis
Slit lampLabelledFluorescein under blue light in a patient with shingles
A 74-year-old with a vesicular rash on the right forehead for five days now has a red, painful, photophobic eye.
advanced · cornea external
Slit lampLabelledA red eye years after glaucoma surgery
A 70-year-old who had a trabeculectomy six years ago has a day of aching, discharge and blur in that eye.
advanced · glaucoma
Corneal topographyLabelledTopography in a teenager whose glasses keep changing
A 17-year-old with atopy and eye rubbing whose astigmatism has increased at each of three visits.
advanced · cornea external
Slit lampA white band across the cornea in a long-standing uveitic eye
A 60-year-old man with years of chronic uveitis in this eye notices a grey-white band across the front of it, and glare. Acuity 6/24.
intermediate · cornea external
Slit lampCrusts and scale at the lash roots, up close
A 45-year-old with dandruff and months of itchy, crusted lid margins that are worst in the morning.
foundational · oculoplastics orbit
Slit lampA brown lens in an 80-year-old who has not seen well for years
An 80-year-old who has not been to an eye clinic for many years and now sees only large shapes with this eye. Counting fingers.
intermediate · comprehensive
Slit lampGlittering crystals in the lens
A 55-year-old with mild glare, found at a routine examination to have polychromatic crystals in the lens of one eye. Acuity 6/6.
advanced · comprehensive
Slit lampAn opacity in the lens of an infant, found at the newborn check
A 6-week-old whose red reflex was reduced at the newborn check, referred for examination.
advanced · pediatric
Slit lampThe same spokes, seen against the red reflex
A 62-year-old with glare when driving at night, examined through a dilated pupil with the beam bounced off the fundus.
intermediate · comprehensive
Slit lampA white, swollen lens and a shallow chamber
A 55-year-old man whose vision in this eye has faded over a year and who now has an intermittent ache in it. Hand movements. The anterior chamber is shallower than in the other eye.
advanced · comprehensive
Slit lampTwo opacities in one lens on the optical section
A 60-year-old woman with glare and slowly worsening distance vision. Acuity 6/18.
advanced · comprehensive
Slit lampReading without glasses again, at 70
A 70-year-old man is pleased that he can read without his glasses again, but his distance vision has slowly blurred and colours look yellow. Acuity 6/18.
foundational · comprehensive
Slit lampA white disc at the back of the lens in an 8-year-old
An 8-year-old boy found at a school vision screen to see 6/12 with the left eye; his father had cataract surgery young.
advanced · pediatric
Slit lampReading and bright light are the problem, in a 16-year-old with diabetes
A 16-year-old girl with poorly controlled type 1 diabetes struggles to read and is dazzled in bright light. Acuity 6/12, worse in bright light.
intermediate · comprehensive
Slit lampA branching pattern under the blue light
A 40-year-old with three days of a red, watering, mildly photophobic eye and a history of cold sores. Acuity 6/9. Corneal sensation reduced.
foundational · cornea external