1987) that observers with reduced acuity are better able to resist optical blur, our older observers required lenses of somewhat greater dioptric
power to degrade acuity to 20/30 and 20/40 levels.
reduced peak velocity) to a change in dioptric
lens power or target distance, which can occur alone or in conjunction with either AI or AE .
1] = n/f, which is the dioptric
power of the eye when an object is viewed at infinity
Fitted with a fast focus eye piece, dioptric
correction is -3 to +2.
Correction from +5 to -5 from +5 to -5 Exit Pupil Distance 15mm 15mm Focusing Range 4.
From the micrographs, facet diameters, lengths of dioptric
structures, retinal widths, and interommatidial angles were measured.
Proximal accommodation is accommodation that is introduced by awareness of the nearness or apparent nearness of the fixation object independent of the actual dioptric
The FluidVision IOL (PowerVision Inc, Belmont, CA) consists of fluid-filled haptics connected to a hollow optic; on ciliary contraction fluid is pushed into the optic increasing its curvature and dioptric
Provided that each of the three compared instruments measures the curvature of the cornea instead of its dioptric
power, the same keratometry index (1.
5x Objective Lens Diameter 22mm Angle of View 4 Field of view 236 feet at 1,000 yards Elevation scale 100-1,300 meters Windage scale 10 Mils in either direction Dioptric
Correction None Exit Pupil 6mm Eye Relief 2.
The least-studied accommodative effect in TBI has been dynamic accommodative infacility, which is diagnosed when a patient exhibits a slowed accommodative response to a change in either dioptric
lens power or target distance that can occur either alone or in conjunction with either accommodative insufficiency or excess .