OPHTHALMOLOGY

Optical coherence tomography

Feb 6, 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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Create a prism

Feb 6, 2023 by in OPHTHALMOLOGY Comments Off on Create a prism

Objectives After working through this chapter, you should be able to: Explain why light can disperse through water if a mirror is introduced Explain dispersion Introduction Looking back over the…

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Optical instruments and low vision aids

Feb 6, 2023 by in OPHTHALMOLOGY Comments Off on Optical instruments and low vision aids

Objectives After working through this chapter, you should be able to: Explain what an ‘optical instrument’ is Explain how cameras work Explain how Galilean, Keplerian and reflecting telescopes work Explain…

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Photometry

Feb 6, 2023 by in OPHTHALMOLOGY Comments Off on Photometry

Objectives After working through this chapter, you should be able to: Explain a solid angle Explain luminous flux, luminous intensity, illuminance and luminance Describe the two laws of illumination Explain…

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Focimetry

Feb 6, 2023 by in OPHTHALMOLOGY Comments Off on Focimetry

Objectives After working through this chapter, you should be able to: Explain what focimetry is Discuss the principles underlying focimetry Be able to link focimetry with your understanding of spherical…

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Superposition, interference and diffraction

Feb 6, 2023 by in OPHTHALMOLOGY Comments Off on Superposition, interference and diffraction

Objectives After working through this chapter, you should be able to: Explain the key features of a wave (wavelength, phase, amplitude) Explain the difference between phase difference and path difference…

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Ray tracing

Feb 6, 2023 by in OPHTHALMOLOGY Comments Off on Ray tracing

Objectives After working through this chapter, you should be able to: Explain what a ray diagram is Draw an accurate ray diagram for a convex lens Draw an accurate diagram…

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Prisms

Feb 6, 2023 by in OPHTHALMOLOGY Comments Off on Prisms

Objectives After working through this chapter, you should be able to: Describe what a prism is Explain what the minimum angle of deviation is Define a ‘critical angle’ Discuss how…

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Dispersion and chromatic aberration

Feb 6, 2023 by in OPHTHALMOLOGY Comments Off on Dispersion and chromatic aberration

Objectives After working through this chapter, you should be able to: Explain what dispersion is Understand how dispersion occurs Explain how rainbows are produced Explain what chromatic aberration is Discuss…

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