Details

The 5440 Coaxial Ophthalmoscope Head utilizes an aspherical condenser lens to reduce corneal reflection. This ophthalmoscope features an ergonomic design and thumb rest for improved stability and one-finger control, and a magnified, illuminated viewing pane. It is dust-resistant.

• High performance aspherical condenser lens reduces corneal reflection
• Further reduction provided by utilizing distinct parallel observational and illuminating light beams (Gullstrand’s principal)
• 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 from Halogen/Xenon or advanced AdLED illumination
• 2 year warranty on instrument. Lifetime on AdLED lamp
• 29 viewing lenses from -35 to plus 40 (Plus 1-10, 12, 15, 20, 40 – Minus 1-10, 15, 20, 25, 30, 35)
• 24 aperture/filter combinations for improved versatility

6 apertures include:

• Slit – used to help determine levels of tumors and lesions
• Fixation - has graduated cross-hairs 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

3 filters (plus neutral) include:

• Red free- excludes red rays from examination field for easy identification of veins, arteries and nerve fibers
• Cobalt - used with fluorescent dye to view small lesions, abrasions and foreign objects on the cornea
• Polarizing – virtually eliminates corneal reflection