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Diopter
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Diopter The unit used to measure the amount of refractive or focusing power of the eye. It also refers to the strength of lens required to provide clear vision. In general, the higher the refractive error, as measured in diopters, the worse the eye.
RELATED TERMS--------------------------------------
Eye
The organ of sight. The eye has a number of components. These components include but are not limited to the cornea, iris, pupil, lens, retina, macula, optic nerve, choroid and vitreous.
Lens
The lens of the eye is like an adjustable lens of a camera and focuses light rays on to the retina for sharp images. A condition called presbyopia occurs when the lens is no longer able to adjust for objects at different distances.
Vision
The sense of sight.
SIMILAR TERMS--------------------------------------
PREVIOUS AND NEXT TERMS--------------------------------------
Diovan
A medicine used in the treatment of hypertension.
Degenerative Myopia
Pathologic progressive myopia. Causes RPE and choriocapillaris atrophy and photoreceptor degeneration. Leads to reduced visual acuity, night blindness and retinal detachment, the latter requires retinal surgery.
Dermoid cyst
A congenital (born with) tumor present in infancy as a yellowish swelling on the surface of the eye. It may enlarge during puberty. The dermoid cyst can be surgically removed by an ophthalmologist.
Detached retina
A condition in which the retina separates from another layer of cells in the back of the eye, resulting in a decrease in nutrition and visual function. It may be due to a hemorrhage, trauma, tumor, vascular malformation or from traction of the vitreous to which it is attached. Sometimes, people with high myopia will develop a retinal detachment, which requires emergency surgery.
DTIC-Dome
DTIC-Dome(dacarbazine) is a Bayer medication for the treatment of metastatic malignant melanoma.
Diopter
Dominant Progressive Foveal Dystrophy
Dominant Stargardt’s disease. A degeneration of the RPE and photoreceptors of the eye. Slowly progressive, leading to legal blindness later in life. Usually starts in the 20s to 40s. Results in decreased visual acuity, central scotoma and defective color vision. There is no treatment.
Drusen
Amorphous, sub RPE material; probably the remains of the RPE as a result of atrophy. Associated, sometimes with aging and with ARMD. There may be no symptoms present in the early stages and may lead to a reduction in visual acuity later in life.
Diagnostic
Pertaining to a diagnosis; usually refers to a characteristic or criteria which is critical for a specific diagnosis.
Diagnosis
The determination of the presence of a specific disease or infection, usually accomplished by evaluating clinical symptoms and laboratory tests.
Diazepam
A tranquilizer.
RELATED TERMS--------------------------------------
Eye
The organ of sight. The eye has a number of components. These components include but are not limited to the cornea, iris, pupil, lens, retina, macula, optic nerve, choroid and vitreous.
Lens
The lens of the eye is like an adjustable lens of a camera and focuses light rays on to the retina for sharp images. A condition called presbyopia occurs when the lens is no longer able to adjust for objects at different distances.
Vision
The sense of sight.
SIMILAR TERMS--------------------------------------
PREVIOUS AND NEXT TERMS--------------------------------------
Diovan
A medicine used in the treatment of hypertension.
Degenerative Myopia
Pathologic progressive myopia. Causes RPE and choriocapillaris atrophy and photoreceptor degeneration. Leads to reduced visual acuity, night blindness and retinal detachment, the latter requires retinal surgery.
Dermoid cyst
A congenital (born with) tumor present in infancy as a yellowish swelling on the surface of the eye. It may enlarge during puberty. The dermoid cyst can be surgically removed by an ophthalmologist.
Detached retina
A condition in which the retina separates from another layer of cells in the back of the eye, resulting in a decrease in nutrition and visual function. It may be due to a hemorrhage, trauma, tumor, vascular malformation or from traction of the vitreous to which it is attached. Sometimes, people with high myopia will develop a retinal detachment, which requires emergency surgery.
DTIC-Dome
DTIC-Dome(dacarbazine) is a Bayer medication for the treatment of metastatic malignant melanoma.
Diopter
Dominant Progressive Foveal Dystrophy
Dominant Stargardt’s disease. A degeneration of the RPE and photoreceptors of the eye. Slowly progressive, leading to legal blindness later in life. Usually starts in the 20s to 40s. Results in decreased visual acuity, central scotoma and defective color vision. There is no treatment.
Drusen
Amorphous, sub RPE material; probably the remains of the RPE as a result of atrophy. Associated, sometimes with aging and with ARMD. There may be no symptoms present in the early stages and may lead to a reduction in visual acuity later in life.
Diagnostic
Pertaining to a diagnosis; usually refers to a characteristic or criteria which is critical for a specific diagnosis.
Diagnosis
The determination of the presence of a specific disease or infection, usually accomplished by evaluating clinical symptoms and laboratory tests.
Diazepam
A tranquilizer.
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This dictionary contains 19186 terms.
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