Keeler 1127-P-1004 Practitioner Ophthalmoscope 3.6V head & bulb only in carton The Primary Care Specialist's Choice With a high lens and filter range this ophthalmoscope is ideal for the Primary Care Specialist Features: * Positive action maywheel lens control allows you to select +40D to -25D * 6 beams for full diagnostic capability * Swing over red free filter * Blue filter to be used in combination with Fluorescein for assessing corneal scratches 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 pupillary reaction or patient discomfort. Slit - Used primarily to determine retinal elevations and depressions but may also be used to assess anterior chamber depth. Fixation Cross - Projects a graticule onto the retina for assessment of the degree and direction of eccentric fixation. 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 - Used in conjunction with fluorescein dye for the detection and examination of corneal scars and abrasions. Contents: * Practitioner ophthalmoscope * Spare bulb