Optics : Self Quiz Flashcards
What is a type of monochromatic aberration found in contact lenses?
Spherical Aberration
What type of chromatic aberration :
Red, yellow, and blue light focus at separate poonts in the vertical plane
Transverse Chromatic Aberration
What type of chromatic aberration :
Due to the dispersion properties of the glass that the wavelength pass through, different wavelength focus at different points
Longitudinal Chromatic Aberration
What is a type of monochromatic aberration found in spectacle lenses?
Coma
What is the ratio of the image generated with contact lenses divided by the image generated from spectacle lenses?
Contact lens magnification
What demand is the focusing required to view a new object?
Accommodative
What demand is the amount of movement needed to view a near object as both eyes move towards the midline?
Convergence
What is the term for when the dioptric powers of right and left lenses are not equal?
Anisometropia
What is the term for when there is a significant difference in the perceived size of images?
Aniseikonia
Is the accommodative demand higher or lower for myopia?
Higher
Is the accommodative demand higher or lower in hyperopia?
Lower
Is the convergence demand increased or decreased in myopia?
Increased
Is the convergence demand increased or decreased in hyperopia?
Decreased
Does a plus powered lens produce a larger or smaller retinal image compared to no correction?
Larger
Does a minus powered lens produce larger or smaller retinal image compared to no correction?
Smaller
