Further Information About Keeler
Apertures, Graticules and Filters
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 fund us 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.
Glaucoma - Projects a graticule onto the retina to assess the optic cup/disc ratio as an aid to glaucoma diagnosis.
Fixation Cross - Projects a graticule onto the retina for assessment of the degree and direction of eccentric fixation.
Red Free and Fixation Cross - is for vessel examination with a fixation cross for assessment 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.
The OMS Group supply over 6000 medical products to more than 7000 satisfied customers.Our customer types and services fall in to three broad categories:
General Medical Supplies to individual private customers, healthcare care professionals and single site healthcare providers.
NHS "only" Organisations will benefit from immediate credit accounts, free deliveries on all orders and specially agreed NHS “only” Discounts with savings of up to 35% on your annual Medical Equipment and Consumables budget.
Buying Group eProcurments Systems for PCT's, Commissioning Groups, Local NHS Buying Groups and Private Companies working in partnership with GPs and Health Professionals. Streamline the buying process and receive maximum bulk discounts.