Ads
related to: pd measurement for eyeglasses
Search results
Results From The WOW.Com Content Network
Purchasing glasses online can be a potential problem if the PD measurement isn't available. [16] In both the UK and most of Canada (excluding British Columbia [ 17 ] ), the PD measurement is categorized under dispensing rather than eyewear prescription of the person whose eyes were tested, thus there is no obligation for PD to be provided on ...
An eyeglass prescription. Similar to medical prescriptions, eyeglass prescriptions are written on paper pads or included in a patient's electronic health record, and contain a number of different abbreviations and terms: DV is an abbreviation for distance vision. This specifies the part of the prescription designed primarily to improve far vision.
In addition to having PD measured in a retail setting, a variety of web and mobile (Android and iOS) apps are now widely available. Web apps are used by a variety of online sellers of eyeglasses where an object of known size, such as a credit card, is needed to assist (size reference) the measurement process.
PD Pupillary distance PERRLA Pupils equal, round, reactive to light and accommodation PH Pinhole see Pinhole occluder and Visual_acuity#Legal_definitions: PHNI Pinhole No Improvement see Pinhole occluder and Visual_acuity#Legal_definitions: PHVA Pinhole Visual Acuity: PL Perception of light POH / PrOH Previous ocular history PPA Peri-papillary ...
To order glasses, customers need to provide their eyeglass prescription and a measurement of their pupillary distance (PD). [25] Zenni has a web page that supports measuring the PD. [19] Columnist Mary Hunt praised Zenni for offering "the absolute cheapest prices on plastic frames" and said it has "a wide range of frame styles and lens options ...
A phoropter measurement of a patient reads −8.00 D sphere and −5.25 D cylinder with an axis of 85° for one eye (the notation for which is typically written as −8 −5.25×85). The phoropter measurement is made at a common vertex distance of 12 mm from the eye.
Ads
related to: pd measurement for eyeglasses