b.oftenglassesA binocular or field glass. c.A device, such as a monocle or spyglass, containing a lens or lenses and used as an aid to vision. 4.The quantity contained by a drinking vessel; a glassful. 5.Objects made of glass; glassware. ...
and can mask irregular astigmatism. The scleral lens rests entirely on the sclera and avoids all contact with the cornea. Thus, the scleral lens can be used by persons who are intolerant to standard (hard) contact
Fold down for use with eyeglasses and fold up for use without eyeglasses. They provide comfort and promote viewing ease. 2. HOW TO CARE FOR YOUR BINOCULAR: A Keep the lens covers (that come with your binocular) on the lenses when binocular is not in use. B. When...
One contributing factor may be that my eyes aren't deep set -- Caravagio would not have given me a second glance. (Minimal opportunity forchiaroscuro.) The practical result for binocular observing is I don't need much eye relief and can easily position my face away from the eyepieces if ...
It fastens the assembly body for this fixing, with the screw (7), the bridge which joints the rim of the actual glass lens which crosses the point the clip which is engaged in (3) it includes (6). The clip (6) the aforementioned bridge (3) to grip around, the both ends of the...
(or slit lamp) she will examine the structures of the front of your eyes, including your eyelids, conjunctiva, cornea, iris and lens. She will also check the pressure inside your eyes to screen for glaucoma. With a hand-held lens, without dilation, Dr. Muller can examine your maculae ...
Biological Microscope Binocular Achromatic Objective 4X 10X 40X 100X with LED Illumination US$160.00-200.00 / Piece Biological Microscope Trinocular Achromatic Objective 4X 10X 40X 100X with LED Illumination US$190.00-250.00 / Piece High...
3. Lens surface is treated with strengthening process to reach surface hardness of H5 degree. 4. Moveable lens slot is used to adjust the focal length between lens and object, and the distance between lens and eyes. 5. Nose bridge...
An interactive head-mounted eyepiece with an integrated processor for handling content for display and an integrated image source for introducing the content to an optical assembly through which the user views a surrounding environment and the displayed content, wherein the height of the image source...
The mono-lens has a notch formed respectively in two ends for a front end of each temple to engage in or disengage from by swinging the temple. Then the mono-lens may by removed from the frame and replaced with a new one by swinging the temple with the front end disengaged from the ...