Direct Ophthalmoscope

In a zippered padded nylon case, the complete instrument comprises our 3.5V Coax Plus Ophthalmoscope head and a USB rechargeable Li-ion battery handle.input:
output:Features of the Coax Plus Ophthalmoscope Head include:input:
output:Corneal reflection is diminished by a high-performance aspherical condenser lens.Additional reduction is achieved by employing parallel illuminating and observational light beams (Gullstrand’s Equation).The stability of the device is enhanced by the ergonomic design and integral thumb rest, which enable one-finger control of all functions.

The use of practitioner eyeglasses is facilitated by the synthetic rubber brow rest.

Dust-proof

Aperture viewing window that is illuminated and magnified

Universal bayonet mount for compatibility with other brands of 3.5V power supply handlesThe standard feature is an anti-theft locking mechanism.Select either xenon or high-performance AdLED illumination.89 viewing lenses that can be adjusted from -44 to +45 in a single step.28 aperture/filter combinations to enhance diagnostic capabilitiesIn place of the 89 viewing lenses, the secondary focusing wheel offers virtually unlimited fine focus or fast focus and has zero retention, allowing for the quick correction of ametropias.The inclusion of a Karo (grid) aperture that facilitates the transfer of observations to standard Karo (graph) paper.Six apertures are comprised:input:
output:Tumor and lesion levels are determined through the use of a slit.Fixation – features graduated crosshairs for the purpose of measuring eccentric fixation or locating lesions.The standard aperture for a dilated pupil and a general examination of the eye is large.Small – offers a clear view of the fundus through an undilated pupil.Micro spot – enables rapid entry into small, undilated pupils.Half moon – offers a combination of field of view and depth perception