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The eye as a refracting system

The eye as a refracting system

Ray diagram of a human eye showing the cornea and lens focusing light to a real inverted image on the retina The eye acts as a converging optical system. Light from an object is refracted so that it comes to focus on the retina at the back of the eye.

Physics of vision (A-level only) Lesson

  1. A Level
  2. /Physics
  3. /Physics of vision (A-level only)

Step-by-step lessons on AQA A Level Physics Physics of vision (A-level only). Each one builds up to exam-style questions. Physics is one of the most mathematically demanding A Levels -- at least 40% of the marks require maths skills at Level 2 (GCSE) standard or above, so build calculation and graph-handling fluency alongside the conceptual content from the start.

Lessons