optical aberration


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Related to optical aberration: spherical aberration

optical aberration

n.
The failure of light rays from a point source to form a perfect image after passing through an optical system.
References in periodicals archive ?
A flat surface, when tilted, appears non-flat as a consequence of optical aberrations.
Therefore, even a uniformly thicker IntraLase flap may better preserve the integrity of the peripheral cornea and introduce fewer biomechanical effects and optical aberrations than a centrally thinner mechanical one.
Wavefront sensors for ophthalmic applications provide a quick and repeatable method for measuring the optical aberrations of the human eye.
Treating optical aberrations, which impact low-contrast visual activities such as night driving, will improve the patient's quality of vision," said Dr.
The CustomCornea Measurement Device was designed to measure optical aberrations in a patient's eye.
The CustomCornea Wavefront System is the only measurement device designed to objectively measure the unique optical aberrations in each patient's eyes and then link the information to the LADARVision System in order to treat the patient with a customized wavefront-guided ablation pattern to reshape the cornea.
Alcon's LADARWave(R) wavefront measurement device, currently being reviewed for approval by the FDA, measures the optical aberrations of the entire eye.
GRADIUM glass, an optical quality glass with internal light-bending properties, reduces optical aberrations typical in lenses made of conventional glass.
When issued, this patent will cover a method for simultaneous automatic measurement of the anterior and posterior corneal surfaces, corneal thickness and optical aberrations of the eye.
The combination of these customized refractive maps and analytical software are intended to ensure that the surgery corrects the corneal shape and subtle optical aberrations, providing the finest optical results.
GRADIUM glass, an optical quality glass with internal light-bending properties, reduces the optical aberrations typical in lenses made of conventional glass.
GRADIUM lenses have internal light-bending properties and reduce optical aberrations typical in lenses made of conventional glass or plastic.