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Ophthalmoscope

Welch Allyn

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The ophthalmoscope is an instrument used to examine the eye. Its use is crucial in determining the health of the retina and the vitreous humor.

In patients with headaches, the finding of swollen optic discs, or papilledema, on ophthalmoscopy is a key sign, as this indicates raised intracranial pressure (ICP) which could be due to hydrocephalus, benign intracranial hypertension (aka pseudotumor cerebri) or brain tumor, amongst other conditions. Cupped optic discs are seen in glaucoma.

In patients with diabetes mellitus, regular ophthalmoscopic eye examinations (once every 6 months to 1 year) is mandatory to screen for diabetic retinopathy as visual loss due to diabetes can be prevented by retinal laser treatment if retinopathy is spotted early.

In arterial hypertension, hypertensive changes of the retina closely mimic those in the brain, and may predict cerebrovascular accidents (strokes).

There are numerous companies other than Welch Allyn that manufacture direct and indirect BIO, including Heine and Keeler. Ophthalmo are often sold with otoscopes as a diagnostic set.

Ophthalmoscope

Model 11710

The Welch Allyn 3.5v standard head uses halogen light for true tissue color and consistent, long-lasting illumination. Versatile and reliable at an economical price.

* Features 6 apertures for generalist use: micro, small, and large spot sizes, fixation target, slit aperture and red-free filter
* 28 focusing lenses with a range of -25 to +40 diopters
* Rubber brow rest prevents scratching of eyeglasses

This model use welch allyn bulb # 03000

wa11710
$220

 

Model 11720

The patented Welch Allyn Coaxial Vision System facilitates ophthalmoscopy by enabling easier entry into the eye, a larger field of view and reduced glare compared to standard ophthalmoscope. The Halogen HPX lamp provides 30 percent whiter, brighter light for true tissue color and long-lasting performance.

* Coaxial optics produce a shadow-free spot, easier entry into undilated pupils, and a larger field of view versus standard ophthalmoscope.
* Detect corneal abrasions with cobalt blue filter.
* Polarizing filter virtually eliminates corneal reflection.
* Sealed optics keep out dust and dirt.
* 18 unique aperture/filter combinations for greater versatility.
* Red-free filter may be used with any aperture.
* 28 focusing lenses with a range of -25 to +40 diopters.

This model use welch allyn bulb # 04900

wa11720
Price: US$234

 

Model 11730

The Welch Allyn 3.5V AutoStep coaxial head utilizes patented coaxial optics, Halogen HPX illumination and 68 focusing lenses combine for premium quality. The Halogen HPX lamp provides 30% brighter, whiter light output for true tissue color and consistent, long-lasting illumination.

* Coaxial optics produce a shadow-free spot, easier entry into undilated pupils, and a larger field of view
* 18 aperture/filter combinations for greater versatility micro, small and large spot sizes, cobalt blue filter for corneal exams, fixation target, or slit aperture can be combined with red-free filter, polarizing filter, or unfiltered Halogen HPX illumination
* 68 lenses in single-diopter steps for precise resolution (+38 to -30)
* Sealed optics keep out dust and dirt for years of maintenance-free operation
* Rubber brow rest prevents scratching of eyeglasses

This model use welch allyn bulb # 04900

wa11730
Price: US$309

 

Model 11735

Patented Coaxial-Plus optics enable easy entry into undilated pupils for more accurate diagnoses, while two filter selections provide optimum light levels for entering healthy eyes and those with cataracts.

* Enables easy entry into undilated pupils through precise lamp filament and optical alignment
* The neutral filter provides the ideal amount of color-accurate Halogen HPX™ light for entering healthy eyes without unwanted reflex
* The opacity setting provides the brightest Halogen HPX™ light for easy entry into eyes with cataract or other media opacity
* 68 lenses provide extensive range of focus for optimum resolution (+38 to -30)

This model use welch allyn bulb # 04900

wa11735
Price: US$313

 

Model 11820 - PanOptic

The revolutionary PanOptic provides easy entry into the eye, together with a wider field of view to more easily observe conditions such as hypertension, diabetic retinopathy, and papilledema.

* Fast, easy entry into undilated pupils
* 5x larger view of the fundus vs. standard Ophthalmoscope in an undilated eye
* 25º field of view vs. the standard 5º field of view
* Greater working distance improves comfort for both practitioner and patient
* Helps detect corneal abrasions with cobalt blue filter and corneal viewing lens (model 11820 only)
* Patented Glare Extinguishment System prevents interference from unwanted glare and reflections
* Halogen HPX™ lamp provides bright, white light
* Compatible with all existing Welch Allyn 3.5 V power sources

The PanOptic use welch allyn bulb # 03800

wa11820
Price: US$577

 

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Phone: (305) 593 - 2015

Fax: 1.866.615.2426

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3026 NW 79 AVE.
Miami, Florida 33122