On ophthalmic instruments

Care of ophthalmic surgical instruments

Ophthalmic Instruments and Diagnostic Tests

The cover test is done to confirm the presence of a manifest squint. The patient is asked to look at the fixation target (a flashlight should never be used as a fixation target because it fails to control accommodation—an accommodative fixation target held at 33 cm is used for near and the Snellen 6/9 visual acuity symbol is used for distance fixation). The apparently fixating eye is then cover...

The introduction of titanium alloys in ophthalmic microsurgical instruments.

Soon after the founding of the Microsurgical Instrumentation Research Association (MICRA) in 1971, it was decided to investigate the possible use of titanium and its alloys in the production of surgical instruments suitable for use with the microscope. After an analysis of surgical instruments available at that time, it was clear to us that modifications to existing designs were required. Most ...

Antique ophthalmic instruments and books: the Royal College Museum.

P 214 A new spectral analyser for integration in ophthalmic instruments

&&&s: A new instnunent has bee” developed, in order to increase the information about the mechanisms involved, which performs spectral analysis of the fluorescence light. This instlwnentation is though to be capable of doiig in viva (lens and anterior chamber) and in vifro measurements. The experimental system consist basically of: a modified slit lamp, with four different excitation wavelength...