double

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double

(dŭb′l) [L. duplus, twofold]
Duplicate, or combining two qualities.

Patient discussion about double

Q. what is the cause for double vision

A. Double vision, or diplopia, as it's called, may be due to many conditions, including disorders of the muscles of the eye (extra-ocular muscles) and the nerves controlling them, disorders of the eye ball (enlarged eyeball as in Graves' ), and sometimes disorders of vision.

Diplopia may manifest important conditions, so consulting a doctor (e.g. neurologist or ophthalmologist) may be wise.

You may read more here:
www.nlm.nih.gov/medlineplus/ency/article/003029.htm

Q. I have fibromyalgia and am having terrible vision problems...double, blurred, feel off blance.Is this common?

A. Blurry vision is not a usual symptom in fibromyalgia. If you are experiencing this on a permenant basis you should see a doctor- either a neurologist or an ophthalmologist to rule out other vision conditions that might be causing this.

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References in periodicals archive ?
The conventional passive voltage doubler [12] circuit is shown in Figure 1.
People who already have LTC insurance or sufficient assets to shield them from a possible nursing home stay don't particularly care about doublers. But those without insurance or with more limited assets commonly buy annuities with the doubler as long as they're not sacrificing substantial lifetime income in the process.
Schlechtweg, "38/76 GHz PHEMT MMIC Balanced Frequency Doublers in Coplanar Technology," IEEE Microwave and Guided Wave Letters, Vol.
The earthlings repair their ship, but the two doublers who've befriended them refuse to leave with them.
Station Doubler is great when you need to share a PC or have remote access to your computer.
The Source Module's first multiplier stage consists of a balanced doubler driving a multistage high power amplifier.
GaAs MMIC technology enables the doublers' small size and has the additional benefit of tight unit-to-unit consistency.
The low noise front end without the frequency doublers is shown in Figure 12.
A series of frequency doublers and amplifiers employing 0.25 [Mu] m power MESFET technology have been developed and provide the building blocks for the transmitter and receiver multiplier chains.
A detailed analysis for abrupt junction multipliers, including frequency doublers, has been performed [1] to establish performance limits and operating impedance levels in terms of basic device parameters.
In terms of strength in depth, they have world-class doublers for every position, except at stand-off.
Rankin, "Single-Gate MESFET Frequency Doublers," IEEE MTT, Vol.