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The concealment of group assignment—to either the treatment or control group—from the knowledge of patients and/or investigators in a clinical trial of whether a drug or therapy being administered is a placebo/sham treatment—i.e., the control group—or the drug/treatment being investigated
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.


Clinical research The concealment of group assignment–to either the treatment or control group from the knowledge of Pts and/or investigators in a clinical trial; while blinding is intended to remove bias and subjectivity, it is not always practical–eg when comparing surgery to drug treatment, but should be used when possible and compatible with optimal Pt care. See Double blinded study, 'Nocebo. ', Placebo, Triple blinded study. Cf Control.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

Patient discussion about blinding

Q. Why is the color draining from my eyes?! When I was little I had rich shiny cobalt blue eyes! As I grew up they faded or just started to dim in color. Being partially blind you can see in my left eye the its a really light color and creamy instead of my deep blue color... Why does my eye color dim?! I didnt think going blind had anything to do with the color of my eyes changing... Or is it something else?! Please, and thank you!

A. depends on your blindness, if it is caused by your cornea changing (corneal opacity)- it'll change your eye color to a cloudy white. it can also be caused by cataract.
are those the reason of your blindness?

More discussions about blinding
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References in periodicals archive ?
The mattresses manufacturing market comprises establishments primarily engaged in manufacturing innerspring, box spring, and noninnerspring mattresses, including mattresses for waterbeds.
'From studies, the term orthopaedic mattresses are not strictly defined, even by industries that produce them.
As host to a wide range of mattresses from top brands like Hypnos and Sealy, Celebrations' extensive showroom is the ideal location to test out a wide range of mattresses for a good night's sleep.
Dubai Furniture Manufacturing Company LLC (DFMC), which manufactures and markets King Koil mattresses and sleeping products in the Middle East, is running a number of saving deals across its range of premium sleeping products during Ramadan.
The company delivers to 6000 pin codes across the country and aims to sell over 13,000 mattresses with revenues of Rs 19 crores by 2022.
"Mattresses are known to contain the highest amount of dirt in a home, but you can get mattresses treated with nano-technology, which protects against mosquitoes, dust mites, bedbugs and bacteria.In addition, these are non-allergenic and have an open-cell structure with breathable properties.
"When you call a bed-in-box mattress company to initiate a return, the company gives you the option to donate your mattress to a charity.
The biggest innovation in the mattress industry right now is in the way that the mattress is constructed."
These mattress-in-a-box retailers gave the category a new level of credibility, said Evan Tennant, national director of e-commerce for Adtaxi, a digital marketing agency--a feeling of "it's going to be okay even if you don't like the mattress."
The Purple mattress uses a three-layer system, with the top being made of a "polymer comfort grid" that just happens to be covered in a white powder.
(FRANKFURT: SNH) has closed its acquisition of US-based specialty mattress retailer Mattress Firm Holding Corp.