Enclosed KeeView Optics All Keeler indirect optics are specially coated and individually laser aligned to provide the sharpest, clearest images every time you use your indirect. Comfort and balance Lightweight materials are used throughout the design of each unit; combined with soft cushioning and a nonslip contour shaped headband to maximize comfort and balance. These features will be particularly important during long examinations. Easy-fit illumination Keeler indirects have been designed to ensure optimal performance. Bulbs are easily accessible and quick to change during surgical procedures, if your bulb should blow, our quick fit design ensures you won't be without it for very long. Adjustable brilliant illumination Keeler indirects have been designed to ensure optimal performance. LED modules and bulbs are easily accessible and quick to change. On the All Pupil II and Vantage, the illumination rheostat is located on the headband providing easily accessible, fully controllable light. Keeler indirects have the brightest illumination but can be turned down to as low as 2% of maximum required. See the difference that the Keeler wide angle diffuser makes IR/UV filters Supplies protection 100% of the time. IR/UV filters are built into the optics of the Vantage Plus and All Pupil II. LED products emit no harmful UV or IR wavelengths. Wide angle diffuser The Keeler wide-angle diffuser eliminates shadows on the edge of the condensing lens, expanding the field of view significantly. This is particularly useful during difficult and peripheral examinations. There is also less discomfort for the patient, because the light is softer.