Keeler Standard Ophthalmoscope Head and light bulb Only

• 6 Apertures

• Wide angle – for the best possible general diagnosis through a dilated pupil

• Intermediate – particularly useful in pediatric examination, permits easier access through an undulated pupil

• Macular – reduces excessive pupillary reaction and patient discomfort

• Slit – to determine retinal elevations and depressions and anterior chamber depth

• Fixation cross – for assessment of the degree and direction of eccentric fixation

• Cobalt blue – for the detection and examination of corneal scars and abrasions.