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| This glossary contains: 19186 medical terms |
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Focalin
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Focalin Integral part of total treatment program to stabilize ADHD/ADD.
SIMILAR TERMS--------------------------------------
Focal
Limited to one specific area.
Focal dystonia due to blepharospasm
The involuntary forcible closure of the eyelid due to spasms. The first symptoms may be uncontrollable blinking. Only one eye may be affected initially, but eventually both eyes are usually involved. The spasms may leave the eyelids completely closed causing functional blindness even though the eyes beneath the lids and vision are normal. Following torticollis (spasm of the neck muscles), blepharospasm is the next most common form of focal dystonia. For more information about dystonias, see: Dystonia.
Focal dystonia due to torticollis
Spasm of the muscles in the neck that control the position of the head, causing the head to twist and turn to one side. In addition, the head may be pulled forward or backward. Torticollis is the most common form of focal dystonia.
Focal gigantism
1. The excessive growth of a specific body part such as a hand or foot, as with increased blood supply to that part. 2. The excessive growth of a combination of particular body parts, as is characteristic of a congenital malformation syndrome called the Wiedemann-Beckwith syndrome. Focal gigantism may occur before or after the bones fuse. If it occurs afterwards, it causes disfigurement, as in acromegaly. Surgery for mass reduction may sometimes improve function.
Focal length
Relates the distance between an image source and a lens and the distance of the lens to the image by the lenses focal length.
Focal motor seizure
A simple partial seizure with localized motor activity. There may be spasm or clonus (jerking) of one muscle or a muscle group and this may remain localized or it may subsequently spread to adjacent muscles as a Jacksonian seizure.
Focal vision
The role of vision involved in the examination and identification of objects associated with the fovea and exploratory eye movements.
Focalin xr
Focalin xr is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): dexmethylphenidate hydrochloride.
PREVIOUS AND NEXT TERMS--------------------------------------
Fluoxetine
A drug used to treat depression. It belongs to the family of drugs called antidepressants.
Famvir
Medication based in famciclovir and used in the treatment of recurrent genital herpes and shingles
Femara
Medication used in the treatment of advanced or metastatic breast cancer.
Fioricet
Medication used in the treatment of tension headaches.
Fiorinal
Medication used in the treatment of tension headaches.
Focalin
Foradil
Used in the treatment of asthma and in the prevention of bronchospasm.
Floaters
Small condensations of cells in the vitreous body, the fluid in the eye, which cast shadows on the back of the eye, known as the retina. This is normally associated with aging. Floaters may indicate a more serious problem such as a retinal detachment. If you suddenly see a lot of floaters, please see your eye doctor.
Fluorescein angiography
Fluorescein Angiography is a diagnostic test used to assess pathology that affects the retina, choroid and/or iris of the eye. Fluorescein angiography is used to assess the blood flow of the eye and abnormal states are referred to as either hyperfluorescence or hypofluorescence relative to the normal amount of fluorescence. Fluorescein angiography involves an intravenous injection of sodium Fluorescein ( a dye) into the antecubical vein ( a vein in the arm) and then photographs are taken of the eye as the dye enters and leaves the blood system of the eye. The doctor will evaluate prefilling ( i.e., what the retina and choroid look like before the dye enters the eye), transit ( i.e., first passage of dye through the retina and choroid), recirculation (i.e., fluoroscien has become equally distributed throughout the eye and then starts to circulate through again) and later phase ( i.e., as the fluoroscien is eliminated from the body by the kidneys). The test lasts about 30 minutes. Nausea and vomiting are the most common side effects, occurring in about 5% or less of patients. Severe side effects ( e.g., anaphylaxis, death) have been reported but are very rare.
Fovea
A central portion of the retina and macula that contains only cones. The fovea is the only part of the eye that is capable of 20/20 or better vision.
Fundus
The back part of the eye that can be seen with an instrument called an ophthalmoscope. Visible features include the retina with its blood vessels, the optic nerve and choroid. The fundus surrounds the fovea, that part of the eye used for reading.
SIMILAR TERMS--------------------------------------
Focal
Limited to one specific area.
Focal dystonia due to blepharospasm
The involuntary forcible closure of the eyelid due to spasms. The first symptoms may be uncontrollable blinking. Only one eye may be affected initially, but eventually both eyes are usually involved. The spasms may leave the eyelids completely closed causing functional blindness even though the eyes beneath the lids and vision are normal. Following torticollis (spasm of the neck muscles), blepharospasm is the next most common form of focal dystonia. For more information about dystonias, see: Dystonia.
Focal dystonia due to torticollis
Spasm of the muscles in the neck that control the position of the head, causing the head to twist and turn to one side. In addition, the head may be pulled forward or backward. Torticollis is the most common form of focal dystonia.
Focal gigantism
1. The excessive growth of a specific body part such as a hand or foot, as with increased blood supply to that part. 2. The excessive growth of a combination of particular body parts, as is characteristic of a congenital malformation syndrome called the Wiedemann-Beckwith syndrome. Focal gigantism may occur before or after the bones fuse. If it occurs afterwards, it causes disfigurement, as in acromegaly. Surgery for mass reduction may sometimes improve function.
Focal length
Relates the distance between an image source and a lens and the distance of the lens to the image by the lenses focal length.
Focal motor seizure
A simple partial seizure with localized motor activity. There may be spasm or clonus (jerking) of one muscle or a muscle group and this may remain localized or it may subsequently spread to adjacent muscles as a Jacksonian seizure.
Focal vision
The role of vision involved in the examination and identification of objects associated with the fovea and exploratory eye movements.
Focalin xr
Focalin xr is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): dexmethylphenidate hydrochloride.
PREVIOUS AND NEXT TERMS--------------------------------------
Fluoxetine
A drug used to treat depression. It belongs to the family of drugs called antidepressants.
Famvir
Medication based in famciclovir and used in the treatment of recurrent genital herpes and shingles
Femara
Medication used in the treatment of advanced or metastatic breast cancer.
Fioricet
Medication used in the treatment of tension headaches.
Fiorinal
Medication used in the treatment of tension headaches.
Focalin
Foradil
Used in the treatment of asthma and in the prevention of bronchospasm.
Floaters
Small condensations of cells in the vitreous body, the fluid in the eye, which cast shadows on the back of the eye, known as the retina. This is normally associated with aging. Floaters may indicate a more serious problem such as a retinal detachment. If you suddenly see a lot of floaters, please see your eye doctor.
Fluorescein angiography
Fluorescein Angiography is a diagnostic test used to assess pathology that affects the retina, choroid and/or iris of the eye. Fluorescein angiography is used to assess the blood flow of the eye and abnormal states are referred to as either hyperfluorescence or hypofluorescence relative to the normal amount of fluorescence. Fluorescein angiography involves an intravenous injection of sodium Fluorescein ( a dye) into the antecubical vein ( a vein in the arm) and then photographs are taken of the eye as the dye enters and leaves the blood system of the eye. The doctor will evaluate prefilling ( i.e., what the retina and choroid look like before the dye enters the eye), transit ( i.e., first passage of dye through the retina and choroid), recirculation (i.e., fluoroscien has become equally distributed throughout the eye and then starts to circulate through again) and later phase ( i.e., as the fluoroscien is eliminated from the body by the kidneys). The test lasts about 30 minutes. Nausea and vomiting are the most common side effects, occurring in about 5% or less of patients. Severe side effects ( e.g., anaphylaxis, death) have been reported but are very rare.
Fovea
A central portion of the retina and macula that contains only cones. The fovea is the only part of the eye that is capable of 20/20 or better vision.
Fundus
The back part of the eye that can be seen with an instrument called an ophthalmoscope. Visible features include the retina with its blood vessels, the optic nerve and choroid. The fundus surrounds the fovea, that part of the eye used for reading.
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This dictionary contains 19186 terms.
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