Halogen Coaxial-Plus Coaxial Vision System
Ophthalmoscope
When Welch Allyn designed the world’s
COAXIAL-PLUS OPTICAL
first directly illuminated, hand-held
SYSTEM:
ophthalmoscope in 1915, we started Precise lamp filament and See a larger field of view
a tradition of bringing superior optical alignment enable
maximum coaxial viewing
ophthalmic technology to professionals for enhanced visibility and
worldwide. Today, we continue to set uniform illumination More readily enter the smallest
pupils, regardless of pupil size
standards for innovative technology. IMPROVED LENS
The popular 3.5v Coaxial-Plus SELECTION DISC:
Ophthalmoscope is one of our latest Offers 68 lenses with smooth,
simple movement, and instant
developments. With its combination readout of actual diopter level
of patented Coaxial-Plus optics, a OPACITY SETTING:
unique new selection of filters and Provides the brightest
precise manufacturing techniques, the APERTURE SELECTION DIAL: Halogen HPX™ light for The doctor looks through the notch in
Offers six standard apertures easy entry into eyes the mirror directly along the pathway of
Coaxial-Plus Ophthalmoscope enables with cataract or other
the light, seeing a larger area of the retina
easier entry into undilated pupils over media opacity
flat-mirrored optical systems.
NEUTRAL FILTER:
Provides the ideal amount of Halogen HPX light The exclusive curved-filament lamp
for entering healthy eyes without unwanted reflex and notch in the mirror are the
patented enabling features of the
coaxial vision system
11735 3.5v Coaxial-Plus Ophthalmoscope
with the 719 Lithium-Ion Handle
THE SYSTEM FEATURES 6 APERTURES: THE WELCH ALLYN
COAXIAL VISION SYSTEM
MICRO-SPOT APERTURE: allows
quick entry into small, undilated pupils.
11735 COAXIAL-PLUS OPHTHALMOSCOPE Arteries
SMALL APERTURE: provides
excellent view of fundus through LENSES FILTERS OPTICAL SYSTEM
an undilated pupil. 68 lenses: Neutral density filter Coaxial-Plus optics
LARGE APERTURE: standard -30 to +38 diopters Opacity setting Halogen HPX light*
aperture for dilated pupil and Red-free filter
*Lamp replacement Part No. 04900-U Optic disc
general examination of the eye.
FIXATION APERTURE: has
graduated cross-hairs for Macula
ORDERING INFORMATION Veins
measuring eccentric fixation
or locating lesions. 11735 3.5v Coaxial-Plus Ophthalmoscope
COBALT FILTER: used with The Welch Allyn Coaxial Vision System
fluorescein dye to view small virtually eliminates shadowing, allowing
lesions, abrasions, and foreign you to see a much larger portion of the
objects on the cornea. fundus than with any other standard direct
ophthalmoscope. Our system brings the
SLIT: used to determine levels
of of lesions and tumors. lines of vision and illumination closer for
easier entry of light into the pupil and a
larger field of view.
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