Ophthalmoscope Standard 3.5V (Head Only)

Welch Allyn 3.5V Standard Ophthalmoscope (Head Only) Uses halogen light for true tissue colour and consistent, long-lasting illumination. Versatile and reliable at an economic price. • For generalise use • 6 apertures: Micro, Small and Large spot, fixation target, slit and red-free filter • 28 focusing lenses with a range of -25 to +40 diopters • Lenses and filters can be used by turning the selection dials • Rubber brow rest prevents scrathing of spectacles. 6 Apertures: • Micro-spot - allows quick entry into small, undilated pupils • Small - provides excellent view of fundus through an undilated pupil • Large - standard aperture for a dilated pupil and general eye examination • Fixation - graduated crosshairs for measuring eccentric fixating or locating lesions • Slit - used to determine levels of lesions and tumors • Red-free filter - excludes red rays from the examination field for eay identification of veins, arteries and nerve-fibres.