(n.) A lens of glass to assist the sight. Eyeglasses are used singly or in pairs.
(n.) Eyepiece of a telescope, microscope, etc.
(n.) The retina.
(n.) A glass eyecup. See Eyecup.
Example Sentences:
(1) Optimal radiation protection of the eyes during fluoroscopy depends not only on eyeglasses with leaded glass, but also on shielding of sufficient size and shape to reduce exposure to the surrounding head.
(2) This paper discusses methods for improving vision in the dental operatory and details a new design for eyeglasses suitable for the presbyopic dentist.
(3) Numerous eyeglass lens materials have been recommended for protection of radiologists' eyes from the cataractogenic effect of radiation during fluoroscopic procedures.
(4) Patient assessment of dental prostheses, hearing aids, and eyeglasses can provide valuable data regarding adaptability of geriatric patients.
(5) To aid the partially sighted in writing on small areas, such as bank drafts, a clip-on eyeglass loupe (11 diopters, 3.5 inches, Bausch and Lomb) attached to a finepoint felt pen provides adequate vision.
(6) These lesions, located along the retroauricular fold and on the nasal bridge, are caused by ill-fitting eyeglasses.
(7) A model of ocular and facial skin exposure to UVB is presented that combines interview histories of work activities, leisure activities, eyeglass wearing, and hat use with field and laboratory measurements of UV radiant exposure.
(8) An improved gauge using an eyeglass frame, the TOM gauge, was devised.
(9) Vision acuity of 0.05-0.3 diopters (with eyeglass correction) was achieved in 74.1 percent of cases, that of 0.1-0.3 diopters in 29.9 percent.
(10) These forms, along with the striking "eyeglass" configuration of incompletely separated cells that were also present, are the diagnostic features of this apparently rare variety.
(11) Conrad von Soest depicted an apostle in reading glasses in the Niederwildungen Altarpiece in 1403, and there are mentions of the use of eyeglasses dating back to antiquity.
(12) Appropriate eyeglasses may be matched with the curing unit used.
(13) My prescription eyeglasses were taken away from me and I was forced to sit in essential blindness."
(14) A 12-yr-old anisometropic patient had worn corrective eyeglasses (right eye, -0.50 +1.50 x 125; LE, -9.75 +2.50 x 60) for 7 yr, and then changed to contact lenses.
(15) Since eyewear may have a photoprotective effect, this study evaluated the use of prescription eyeglasses and sunglasses in patients with periorbital basal cell carcinoma compared with other facial sites.
(16) Reported herein are two different mathematical procedures for simulating transfer functions of the feedback path of an eyeglass-type hearing aid.
(17) As a consequence, incidence rates for blindness are higher for the black population than the white population.Statistics show that black children requiring eyeglasses are less likely to receive eyeglasses than similar age-matched white children.
(18) Before eyeglass wear best corrected acuity was reduced for both eyes with the left eye acuity significantly lower than the right.
(19) After surgery on the proximal nose, wearing eyeglasses can be difficult and uncomfortable.
(20) It is concluded that eyeglasses did not serve as an efficient discriminating feature in recognition memory, and it is recommended that positive eyewitness identification of people wearing spectacles be treated with particular caution.
Eyepiece
Definition:
(n.) The lens, or combination of lenses, at the eye end of a telescope or other optical instrument, through which the image formed by the mirror or object glass is viewed.
Example Sentences:
(1) Cortical cell length and diameter were measured using a microscope and eyepiece micrometer; measurements were conducted "blind."
(2) The sperm count can be made rapidly and directly from an undiluted, preheated sample by counting spermatozoa in the area of a grid located within the eyepiece; the count is expressed in millions per milliliter.
(3) Field tests involving 60 eyepieces demonstrated effective disinfection by a Chi-Square statistical comparison, at values greater than 95% confidence level, as compared to unirradiated eyepieces.
(4) It is very important that a patient himself can observe velopharyngeal movements through the eyepiece of the fiberscope in order to do self exercise.
(5) Higher correlation coefficients within and between observers were obtained using the cine method compared to the 70 mm visual and eyepiece techniques.
(6) Thus, it is now possible, as one scans the microscopic field, to look past the static images of red- and blue-stained cells and appreciate a dynamic and detailed medley of molecularly defined events emanating from the eyepiece.
(7) Airway luminal diameter was directly measured at diminishing transbronchial pressure (closing) and increasing transbronchial pressure (opening) by means of a stereomicroscope with a calibrated eyepiece.
(8) Arthroscope eyepiece misting was eliminated when irrigation fluid at body temperature was used.
(9) This patient represents the first described case in the literature of allergic sensitivity after the use of a video camera eyepiece.
(10) Morphometry proved to be far superior to eyepiece measurements with respect to accuracy and reproducibility of the results.
(11) With direct video endoscopy, the microchip camera is mounted on the distal tip of the endoscope; with indirect video endoscopy, a miniature camera is coupled to the eyepiece of a standard fiberoptic endoscope.
(12) Measurement of the anterior chamber depth by the micrometer eyepiece of the slit lamp is simple and easy.
(13) They were assessed objectively at each attendance by measurement of the lesions with an operating microscope fitted with a measuring grid in one eyepiece.
(14) In view of the limitations of linear measurement and the high cost and complexity of computer aided microscopy, we propose that a simple stereological technique using an eyepiece graticule is the method of choice in the quantitative assessment of mucosal architecture in jejunal biopsy specimens.
(15) Then the sections, 6 micron thick, stained with Haematoxylin-eosine, Alcian blue, PAS and Van Gieson methods were accurately examined at microscope with a graduated eyepiece.
(16) The teeth were split longitudinally and the extent of dye penetration was determined with a stereomicroscope and eyepiece micrometer.
(17) The change in diameter was measured by an image-shearing eyepiece and television microscopy.
(18) This paper offers the quantitative morphological data (light-optical morphometry with the aid of a graduated eyepiece micrometer) of some mesenchymal children tumours.
(19) A pair of small heaters were designed to clamp over the eyepiece tubes of a standard operating microscope and their effectivity assessed.
(20) It images a dot on the center of the lens under test on the scale in the eyepiece.