Rigid Contact Lens Fitting1
Rigid Contact Lens Fitting1 Peter R. Kastl Corey Dickson In recent years, rigid contact lens fitting has been believed by some to be superfluous, as cheap, disposable soft lenses became…
Therapeutic Uses of Prism for Binocular Vision Disorders
Therapeutic Uses of Prism for Binocular Vision Disorders Susan A. Cotter Kelly A. Frantz Introduction Indications for a Prism Prescription A number of binocular vision anomalies can be addressed with…
Basics of Soft Contact Lens Fitting
Basics of Soft Contact Lens Fitting Peter R. Kastl Corey Dickson David W. Lamberts When one considers whether to fit a rigid contact lens or a soft contact lens on…
Fresnel Optics
Fresnel Optics Merton C. Flom Anthony J. Adams Fig. 1. Principle of a Fresnel lens. Refracting or bending power of the lens depends primarily on the relative angle between its…
Spectacle Lens Tints and Coatings
Spectacle Lens Tints and Coatings Gregory L. Stephens Darryl J. Meister Tints and coatings used on spectacle lenses can make vision more comfortable, improve visibility and contrast, protect the eyes…
Spectacle Lens Design
Spectacle Lens Design Gregory L. Stephens Darryl J. Meister The results of a refraction specify the power of a lens only at its center, or along its optical axis. As…
Spectacle Lens Materials
Spectacle Lens Materials Gregory L. Stephens Darryl J. Meister Since the 1960s, the use of plastic as a spectacle lens material has increased dramatically. During this same time period, domestic…