Diagnostic ophthalmic lens using extra-low dispersion (ED) material
An improved diagnostic ophthalmic lens using extra-low dispersion material, defined by having an Abbe Number, Vd>80, is provided. Such a single element diagnostic ophthalmic lens may be used for examination of the eye in conjunction with either an Indirect Ophthalmoscope or a Slit Lamp Biomicrosc...
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Zusammenfassung: | An improved diagnostic ophthalmic lens using extra-low dispersion material, defined by having an Abbe Number, Vd>80, is provided. Such a single element diagnostic ophthalmic lens may be used for examination of the eye in conjunction with either an Indirect Ophthalmoscope or a Slit Lamp Biomicroscope. |
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