A handbook for those engaged in ophthalmic dispensing and allied activities.
HistorySpherical LensesAstigmatic LensesToric LensesBest Form LensesAspheric LensesNeutralisation-FocimeterOphthalmic PrismsFacial MeasurementsPaediatric DispensingPrismatic EffectsBifocalsTrifocalsProgressive LensesLens MediaHigh-powered LensesTinted & Protective LensesLens Surfacing/GlazingSpectacle Frame MaterialsFrame MeasurementsAdjustmentsOrderingDealing with ProblemsAppendices include Cylinders in Oblique Meridians, Sags of Lens Surfaces, Compensation for Change in Vertex Distance