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heterophoria in which there is deviation of the visual axis of one eye from the anteroposterior axis in the absence of visual fusional stimuli.


/dec·li·na·tion/ (dek″lĭ-na´shun) cyclophoria.


A bending, sloping, or other deviation from a normal vertical position.
[L. declinatio, a bending aside]

Patient discussion about declination

Q. what can be the reasons my hearing capability decline? i am 30 years old ... and i'm in great shape , don't have chronic health issues , never had . but recently i found my self "missing" parts while my friends are speaking to me , and it is not just that , i feel like my hearing capability decline rapidly for the last few months , what can it be ? and what should i do ?

A. There are many possible reasons for hearing loss. It can be due to a simple ear-wax plug, that can be easy taken out by a Ear-Nose-Throat specialist. It can also be due to a chronic middle ear infection, or gradual hearing damage due to loud noise. Either way you should see a doctor that can refer you to further evaluation tests.

More discussions about declination
References in periodicals archive ?
Moreover, the magnetic declination angles [[theta].
3] (corresponding to the maximum plasma frequency 8 GHz), the magnetic declination angle [[theta].
Propagation and Polarization Characteristics Affected by Magnetic Declination Angle
5[degrees] counterclockwise to compensate for the magnetic declination at that time, the map proved remarkably similar to current maps, he says, a tribute to the explorers' careful observations.
He remained at sea for two years, measured magnetic declinations all over the world, and prepared the first map of the world showing the wiggling lines of equal declination.
The great-circle route between the VORs is found and then the VOR station's magnetic declination is added (or subtracted).
Even as the earth's magnetic poles shift, VOR magnetic declination values don't change until they are significantly off--up to four degrees off, in fact.
It interpolates that from a current database with the latest magnetic declination values available.