Vergence and refraction

Mar 12, 2023 by in OPHTHALMOLOGY Comments Off on Vergence and refraction

Objectives After working through this chapter, you should be able to: Explain what vergence and refraction are Explain how sign convention works, and be able to determine whether a distance…

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Kitchen thin film interference

Mar 12, 2023 by in OPHTHALMOLOGY Comments Off on Kitchen thin film interference

Objectives After working through this chapter, you should be able to: Explain ‘thin film interference’ Explain why the interference pattern is colourful Produce a thin film demonstration of your own…

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Create a ‘cornea’

Mar 12, 2023 by in OPHTHALMOLOGY Comments Off on Create a ‘cornea’

Objectives After working through this chapter, you should be able to: Explain how the human eye focuses distant light on the retina Explain the different contributions of refractive index and…

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Create your own camera obscura

Mar 12, 2023 by in OPHTHALMOLOGY Comments Off on Create your own camera obscura

Objectives After working through this chapter, you should be able to: Explain how a pinhole produces an image Create your own camera obscura Introduction As we discussed very briefly in…

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Answers to practice questions

Mar 12, 2023 by in OPHTHALMOLOGY Comments Off on Answers to practice questions

Below are some representative answers to the ‘practice questions’ that appear within any chapters where we need to learn to apply some maths. They’re designed to help you focus your…

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Measure the speed of light

Mar 12, 2023 by in OPHTHALMOLOGY Comments Off on Measure the speed of light

Objectives After working through this chapter, you should be able to: Explain how microwaves heat food using interference Explain how we can use chocolate to measure the speed of light…

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Optical coherence tomography

Mar 12, 2023 by in OPHTHALMOLOGY Comments Off on Optical coherence tomography

Objectives After working through this chapter, you should be able to: Explain what interference is and how it can be used to measure distances Explain what OCT stands for Explain…

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Wavefront aberrations and adaptive optics

Mar 12, 2023 by in OPHTHALMOLOGY Comments Off on Wavefront aberrations and adaptive optics

Objectives After working through this chapter, you should be able to: Define a wavefront aberration Explain how aberrations can affect the resultant image Explain a Zernike polynomial Understand how aberrometers…

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