Specifications

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Comfort and Fit
With curved surfaces and subtle patient side marking, each ophthalmoscope has been
designed to fit snugly into the orbital bone. Unlike other straight sided brands, the contoured,
curved ophthalmoscope head guarantees an optimal viewing angle and the smooth line
surfaces ensure a patient friendly non-threatening instrument.
Lithium and NiCad handles
Keeler hand helds are supplied on a lithium slimline, lightweight robust handle or the
traditional NiCad handle.
Light, tough and built to last
Keeler ophthalmoscopes are built from resilient, lightweight materials to give you many years
of trouble free service. High impact resistant covers combined with a strong metal chassis
protect the carefully aligned optics and allow Keeler ophthalmoscopes to withstand the rigors
of everyday use for years to come.
Controllable light for bright, clear images
The bright white Halogen and Xenon illumination is fully adjustable from zero. This ensures
the comfort of your patients and the best possible diagnosis for you.
Reflex free images
Individually controlled optics reduce the effect of corneal reflex while minimizing shadows
and providing clearer retinal visualization.
Out of focus
image on
paper held
close up
In focus image
on a screen at 20
feet (infinity)
In focus
image on
retina
Keeler optical system
- the more you see the better the diagnosis
Keeler Ophthalmoscopes are adjusted for perfect focus where it’s needed - in the eye, not on
paper. Along with Keeler’s wide angle light beam and individual mirror alignment, this ensures
that whatever the patient’s pupil size, you will see the clearest view of the retina.
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Wide Angle - Illuminates the largest area of
fundus for the best possible general diagnosis
through a dilated pupil.
Intermediate - Permits easier access through an
undilated pupil and in peripheral examination.
Particularly useful in paediatric examination.
Macular - Designed specifically for examination of
the macular region of the fundus where a larger
beam would create excessive pupilliary reaction or
patient discomfort.
Slit - Used primarily to determine retinal
elevations and depressions but may also be used
to assess anterior chamber depth.
Glaucoma - Projects a graticule onto the retina
to assess the optic cup/disc ratio as an aid to
glaucoma diagnosis.
Fixation Cross - Projects a graticule onto the retina
for assessment of the degree and direction of
eccentric fixation.
Semi Circle - Provides a combination of depth
perception and field of view
Red Free - The red free filter is used to examine
blood vessels in fine detail. By filtering out the red
light, blood vessels are silhouetted black against a
dark green background.
Cobalt Blue - This filter is used with fluorescein
dye for angiography.
Apertures, Graticules and Filters