Physics A-Level
Cornea
What Cornea means in Physics A-Level, as defined for AQA.
Definition of Cornea
Check what you remember
Read the wording for your board, then hide it and explain Cornea in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Provides most of the fixed refraction, contributing the greater fixed convergence, while the lens provides variable fine adjustment.
Topics that use Cornea
- Physics of vision (A-level only) (AQA A-Level)
Related terms
- Accommodation
- Fovea
- Spectral response
- Comparison with a photodetector
- Cone cells
- Convergence
- Real image
- Rhodopsin
Using Cornea in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Physics A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge