Physical Optics
Figure 8-1 Sunlight passing through openings between partially overlapping leaves suggests that light moves in straight lines. However, such “rays” would be invisible without light scattering caused by mist in…
Intraocular Lenses
Figure 5-1 The major types of intraocular lenses (IOLs) and optics. A, Anterior chamber lens. B, Prepupillary lens (no longer used). C, Posterior chamber lens in the capsular bag. D,…
Contact Lenses
Figure 4-1 Contact lens. Note the relationship among the parts. (Modified with permission from Stein HA, Freeman MI, Stein RM. CLAO Residents Contact Lens Curriculum Manual. New Orleans: Contact Lens Association…
Optical Considerations in Keratorefractive Surgery
Figure 6-1 An example of meridional (tangential, left) and axial (right) maps of a normal cornea. (Used with permission from Roberts C. Corneal topography. In: Azar DT, ed. Gatinel D,…
Cerebrovascular Disease
Chapter 6 Cerebrovascular Disease Recent Developments Intravenous recombinant tissue plasminogen activator (rtPA) is strongly recommended for carefully selected patients who meet additional exclusion criteria and who can be treated within…
