- How does the crystalline lens of the eye physically change shape to bring near objects into focus?
- What did Gullstrand's dioptric equations calculate that earlier descriptions of the eye had only approximated?
Vision and Ophthalmology
The physiology of sight and treatment of eye disease.
- What is nystagmus, and how does it reveal brainstem function?
- How did Granit's microelectrode experiments show that colour processing begins in the retina rather than the brain?
- What is retinal, and why does a vitamin A deficiency lead to night blindness?
- What happens to a child's visual system if input is blocked during the critical developmental window?
- How is anti-VEGF therapy used outside of cancer treatment, such as in eye disease?
- Why was ophthalmology the first field to widely adopt OCT?
- How does OCT's resolution compare to ultrasound, and what does that let doctors detect earlier?
- How does the RPE65 gene therapy for inherited retinal dystrophy work, and what does the corrected virus actually deliver to the retina?