Different-sized worlds — aniseikonia and iseikonic thinking
A 45-year-old man with -3.00 D in the right eye and -7.00 D in the left cannot tolerate contact lenses […]
Clinical Cases
Topic-wise clinical case discussions for eye-care professionals and students
Crossed when tired — hypermetropia behind accommodative esotropia
A 3-year-old girl’s right eye turns inward when she is tired or looking at near toys. Her parents noticed it […]
A grey band across the cornea — band keratopathy in chronic uveitis
A 30-year-old woman with longstanding chronic anterior uveitis presents with a greyish band across the central cornea and reduced vision […]
A mulberry on the retina — astrocytic hamartoma in tuberous sclerosis
A 7-year-old boy with tuberous sclerosis (facial angiofibromas, seizures) is referred for baseline eye screening. He has no visual complaints […]
No iris, one kidney to watch — aniridia and WAGR counselling
A 4-month-old girl is referred because she ‘has no coloured part’ in either eye and is very sensitive to light. […]
Every day is too bright — achromatopsia
A 3-year-old boy is referred for extreme light sensitivity since infancy, involuntary eye movements, and poor vision. His parents say […]
A pearly edge on the lid — basal cell carcinoma and reconstruction
A 64-year-old farmer notices a pearly, slowly enlarging nodule on his left lower lid margin with a central crust that […]
The lid slipped its anchor — aponeurotic ptosis in a contact lens wearer
A 58-year-old woman who has worn rigid contact lenses for thirty years notices her right upper lid has gradually drooped […]
Measuring vision that will not sit still — acuity testing in nystagmus
An optometrist refers a 9-year-old boy with infantile nystagmus because ‘the acuity keeps changing’ — 6/24 on one visit, 6/15 […]
The world keeps bouncing — acquired downbeat nystagmus in a 63-year-old
A 63-year-old woman presents with a 3-month history of the world ‘bouncing up and down’ whenever she looks around. She […]