Dioptric Formulae for Combined Cylindrical Lenses.
The Prism-Dioptry.
A Metric System of Numbering and Measuring Prisms.
The Relation of the Prism-Dioptry to the Meter Angle.
The Relation of the Prism-Dioptry to the Lens-Dioptry.
The Perfected Prismometer.
The Prismometric Scale.
On the Practical Execution of Ophthalmic Prescriptions involving Prisms.
A Problem in Cemented Bi-Focal Lenses, Solved by the Prism-Dioptry.
Why Strong Contra-Generic Lenses of Equal Power Fail to Neutralize
Each Other.
The Advantages of the Sphero-Toric Lens.
The Iris, as Diaphragm and Photostat.
The Typoscope.
The Correction of Depleted Dynamic Refraction (Presbyopia).
_Press Notices on the Original Edition:_
OPHTHALMIC LENSES.
"The work stands alone, in its present form, a compendium of the various
laws of physics relative to this subject that are so difficult of access
in scattered treatises."--_New England Medical Gazette._
"It is the most complete and best illustrated book on this special
subject ever published.
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