Direct ophthalmoscope Diagnostix™ 543122

hand-held

Complete instrument includes our 3.5V Coax Plus Ophthalmoscope head and USB rechargeable Li-ion battery handle in a zippered padded nylon case. Coax Plus Ophthalmoscope Head features: High-performance aspherical condenser lens reduces corneal reflection Further reduction provided by utilizing distinct parallel observational and illuminating light beams (Gullstrand’s Equation) Ergonomic design and integral thumb rest improves stability and allows one-finger control of all functions Synthetic rubber brow rest facilitates use with practitioner eyeglasses Dust proof Magnified, illuminated aperture viewing window Universal bayonet mount for compatibility with other brands of 3.5V power supply handles Anti-theft locking feature is standard Choose xenon or high-performance AdLED illumination 89 viewing lenses from -44 to +45 in single step 28 aperture/filter combinations for improved diagnostic capability Secondary focusing wheel with zero retention for quick correction of ametropias, provides virtually unlimited fine focus or fast focus in lieu of the 89 viewing lenses The addition of a Karo (grid) aperture that allows for easier transfer of observations to standard Karo (graph) paper 6 apertures include: Slit – used to help determine levels of tumors and lesions Fixation – has graduated crosshairs for measuring eccentric fixation or locating lesions Large – standard aperture for a dilated pupil and general examination of the eye Small – provides excellent view of fundus through an undilated pupil Micro spot – allows quick entry into small, undilated pupils Half moon – provides a combination of depth perception and field of view