Description
The PanOptic Ophthalmoscope
Transparency of the cornea, lens and vitreous humor permits the practitioner to directly view arteries, veins, and the optic nerve of the retina.
Direct observation of the structures of the fundus through a PanOptic Ophthalmoscope may show disease of the eye itself or may reveal abnormalities indicative of disease elsewhere in the body. Among the most important of these are vascular changes due to diabetes or hypertension and swelling of the optic nerve head due to papilledema or optic neuritis. In this sense, the eye serves as a window through which many valuable clinical evaluations may be made.
When a preliminary diagnosis of an imminently dangerous eye condition, such as acute (angle-closure) glaucoma or retinal detachment, is made by the examiner, prompt referral to an eye specialist may prevent irreversible damage. Or, when distressing but less urgent conditions, such as visual impairment due to cataract or vitreous floaters, are recognized, the patient can be reassured and referred.
Troubleshooting
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Trouble Area
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Possible Cause
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Corrective Action
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No Light output
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Aperture dial is in-between positions
Lamp burned out.
Wrong lamp/ incorrect Welch Allyn lamp/nonWelch Allyn lamp.
The battery handle has completely discharged.
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Rotate the aperture dial.
Replace the lamp using Welch Allyn part number 03800.
Replace lamp using Welch Allyn part number 03800.
Charge the handle, check the battery, and/or the charger.
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Spot is not centered.
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The aperture dial is not centered.
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Move aperture dial to the full detent position.
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Not achieving full or expected view.
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Unit is not in proper operating position.
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Ensure that the eyecup is slightly compressed during the procedure.
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Can not obtain sharp focus/hazy view.
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The lenses are dirty.
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Clean the lenses with the provided cleaning cloth.
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Dim Light Output
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Lamp pin not engaged in slot
Film on Optics
The handle is not fully charged.
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Insert the lamp with pin firmly seated in slot.
Clean the lenses with the provided cleaning cloth.
Charge the handle, check the battery and/or the charger
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Glare in view
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Fingerprints or dirt on the objective (Patient’s Side) lens
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Clean the objective (Patient’s Side) lens with the provided cleaning cloth.
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Cannot attach to power handle.
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Lamp is not fully inserted.
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Insert the lamp with pin firmly seated in slot.
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