Download 2014-2015 Basic and Clinical Science Course (BCSC): Section by American Academy of Ophthalmology, M. Bowes Hamill MD PDF

By American Academy of Ophthalmology, M. Bowes Hamill MD

Significant revision for 2014-2015!

Covers the technological know-how of refractive surgical procedure, accommodative and nonaccommodative remedy of presbyopia, and sufferer assessment. Examines particular strategies in refractive surgical procedure and their power issues, in addition to refractive surgical procedure in ocular and systemic ailment. This year's significant revision gains new portraits and up-to-date details on lens implants utilized in the U.S. and different countries.

Upon of completion of part thirteen, readers will be capable to:

Identify the final sorts of lasers utilized in refractive surgeries
Explain the stairs together with scientific and social heritage, ocular exam and ancillary checking out in comparing even if a sufferer is an acceptable candidate for refractive surgery
For incisional keratorefractive surgical procedure, describe the historical past, sufferer choice, surgical ideas, results, and complications
Explain fresh advancements within the software of wavefront expertise to floor ablation and LASIK
Describe the differing kinds of IOLs used for refractive correction

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Additional resources for 2014-2015 Basic and Clinical Science Course (BCSC): Section 13: Refractive Surgery

Example text

D, Wavescan image from a device like that illustrated in Fig 1-1 A, taken of the fellow eye to that represented in A, B, and C. Note that this map does not show any corneal surface contours or features but rather provides information about the optics of the entire ocular system . As such, it can provide information on the refractive error and aberrations of the entire eye. (Images courtesy of M. ) . 22 • Refractive Surgery plane such as the iris plane; however, in order to be clinically useful, corneal surface maps are plotted to show differences from best-fit spheres or other objects that closely mimic the normal corneal shape (Fig 1-13).

D, Wavescan image from a device like that illustrated in Fig 1-1 A, taken of the fellow eye to that represented in A, B, and C. Note that this map does not show any corneal surface contours or features but rather provides information about the optics of the entire ocular system . As such, it can provide information on the refractive error and aberrations of the entire eye. (Images courtesy of M. ) . 22 • Refractive Surgery plane such as the iris plane; however, in order to be clinically useful, corneal surface maps are plotted to show differences from best-fit spheres or other objects that closely mimic the normal corneal shape (Fig 1-13).

Although early results are promising, these procedures are currently under clinical investigation. Alloplastic Material Addition Techniques The shape of the cornea can be altered by adding alloplastic material such as hydrogel on the surface or into the corneal stroma to modify the anterior shape or refractive index of the cornea. For example, the 2 arc segments of an intrastromal corneal ring can be placed in 2 pockets of the stroma to directly reshape the surface contour according to the profile of the individual rings (Fig 1-18).

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