D

(redirected from diopter)
Also found in: Dictionary, Thesaurus, Medical, Legal, Acronyms, Encyclopedia, Wikipedia.

D

Fifth letter of a NASDAQ stock symbol specifying that it is a new issue, such as the result of a reverse split.

D

1. A symbol appearing next to a stock listed on NASDAQ indicating that the stock is a new issue, especially the result of a reverse stock split. All NASDAQ listings use a four-letter abbreviation; if a "D" follows the abbreviation, this indicates that the security being traded is a new issue.

2. A symbol appearing on a stock transaction table meaning that the share price is a new 52-week low. It is especially used in newspapers.

d

Used in the daily or weekly low column of stock transaction tables in newspapers to indicate that the price of a security reached a new 52-week low: d16.
References in periodicals archive ?
The lens used in this study is a 90 diopter ophthalmic lens that is produced for ophthalmologists.
In this study conducted in 2015, mean refractives pherical equivalent (SE) before operation was -3.401.70 diopters (D).
Like the Bushnell Quest, the LRB 7x50SPD has a one-piece body and left-eye interpupiliary adjustment, but it does not have center focus, instead requiring individual eyecup diopter adjustment.
RAE group Control group (N = 22) (N = 34) Gender (M : F) 10:12 18:16 Mean age at initial visit (year) 5.0 5.4 Mean refractive error (diopters) Right 4.81 [+ or -] 1.94 5.47 [+ or -] 1.78 Left 4.45 [+ or -] 2.12 5.22 [+ or -] 1.51 Mean esodeviation (prism diopter) Near 30.6 [+ or -] 11.0 Far 20.0 [+ or -] 12.8 -- P value Gender (M : F) 0.358 Mean age at initial visit (year) 0.233 Mean refractive error (diopters) Right 0.262 Left Mean esodeviation (prism diopter) Near Far RAE: refractive accommodative esotropia.
Unlike conventional IOLs, the TECNIS Toric 1-Piece IOL can correct a patient's loss of focus due to pre-existing corneal astigmatism of one diopter or greater.
Designed to work in conjunction with the hooded front sight, the Rotary Diopter Sight System attaches to the receiver's M1913 rail.
There are a number of other important features: a precise, lockable diopter setting and aspherical lenses that eliminate a blurred view in the marginal ranges, and they just feel right.
A day-to-night offset of 1/2 or 3/4 diopter * is typical, says Bowen, who prescribes night-driving glasses for some patients.
Other features include ergonomic center-focus; diopter adjustment for precise, repeatable settings; multi-coated lenses; Aspherical Lens elements for flatter field-of-view; High Lux System (HLS) prism coating; sliding eyecups; and black rubber armor or leather coating (Leica Sport Optics, 1-800-222-0118, www.leica-camera.com).
The center-mounted diopter adjustment locks in place.
The expanded range for the Visian ICL with CentraFLOW will now go from -0.5 diopter to -18.0 diopters on the myopic range and +0.5 cylinder power to +6.0 for the Toric ICL models.