Welch Allyn GS 777 Wall Unit - Coaxial Ophthalmoscope & FO Otoscope

Coaxial Ophthalmoscope (11720)

• Halogen light ensures true tissue color and consistent, long-lasting performance
• Coaxial optics provide a shadow-free spotlight, easier entry into undilated pupils, and a larger field of view
• Includes 6 apertures:
• Micro - allows quick entry into small, undilated pupils
• Small - excellent for viewing the fundus through an undilated pupil
• Large - ideal for general eye examinations through a dilated pupil
• Fixation - graduated cross-hairs for measuring eccentric fixation or locating lesions
• Slit - determines levels of lesions and tumors
• Cobalt blue - used with fluorescein dye to detect small lesions, abrasions, and foreign objects
• Features 2 filters that can be combined with any aperture:
• Red-Free filter - highlights veins, arteries, and nerve fibers by filtering out red light
• Polarizing filter - reduces corneal reflection
• 28 focusing lenses ranging from -25 to +40 diopters, adjustable via an easy-to-reach maywheel
• Rubber brow-rest prevents eyeglass scratching
• Variable illumination strength controlled by the handle rheostat dial

Diagnostic Otoscope Head (20000)

• Halogen HPX™ lamp delivers true tissue color and consistent, long-lasting performance
• Fiber optics project cool light to the distal tip with no reflections or obstructions for superior tympanic membrane views
• Wide-angle viewing lens facilitates instrumentation under magnification
• Insufflation port for tympanic membrane manipulation
• Sealed system supports pneumatic otoscopy and accurate otitis media diagnosis
• Variable illumination strength controlled by the handle rheostat dial
• Built-in penlight functions as a convenient throat illuminator