By Kevin M. Miller, MD
Offers present functions of optical phenomena, together with the optical issues concerning foundations of lasers, spectacles, IOLs, and refractive surgical procedure and the layout, becoming, and problems of touch lenses. additionally coated are optics of the human eye, the layout and use of ophthalmic tools, easy strategies of geometrical optics and the present method of low imaginative and prescient administration and imaginative and prescient rehabilitation.
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Additional info for 2008-2009 Basic and Clinical Science Course: Section 3: Clinical Optics (Basic and Clinical Science Course 2008-2009)
Decay of these excimer molecules to a weakly bound or unbound ground state is accompanied by emission of a photon with ultraviolet frequency. Excimer lasers efficiently produce high-power ultraviolet irradiation. A number of different excimer molecules can be created, and each is associated with a specific transition and emission wavelength: argon fluoride, or ArF (193 nm); krypton fluoride, or KrF (249 nm); and xenon fluoride, or XeF (351 nm). Semiconductor diode lasers are solid-state lasers that are extremely compact and highly efficient.
Clinical Optics use in refractive surgery and corneal therapeutics. ) Figure 1-15 shows some typical laser wavelengths. Campbell C). Physiological Optics. Hagerstown, MD: Harper & Row; 1974. Rubin ML, Walls GL. FUlldamentals of Visual Science. Springfield, IL: Charles C Thomas; 1969. ) Typical laser wavelengths. Principles and Clinical Applications (Adapted from Steinert of Photodisruption. RF. Puliafito Philadelphia: CA. The Nd:YAG Laser in Oph- Saunders; 1985. Redrawn by Jonathan CHAPTER 2 Geometrical Optics Geometrical optics deals primarily with imaging: how to produce images using light and how to manipulate image features such as size, brightness, and location.
Figure2-19 The law of rectilinear propagation. Light in a homogeneous medium propagates along straight line paths originating from a point source. A ray is a geometrical construct that represents a light path. Notice that rays traversing an aperture continue along a straight line. (Illustration developed by Edmond H. Thall, MO, and Kevin M. Miller. MO, and rendered by C. H. ) Smooth optical interface Figure 2-20 Light striking a smooth optical interface is specularly reflected and specularly transmitted.
2008-2009 Basic and Clinical Science Course: Section 3: Clinical Optics (Basic and Clinical Science Course 2008-2009) by Kevin M. Miller, MD