What's the difference between digital and optical?

Digital


Definition:

  • (a.) Of or performance to the fingers, or to digits; done with the fingers; as, digital compression; digital examination.

Example Sentences:

  • (1) Direct fetal digitalization led to a reduction in umbilical artery resistance, a decline in the abdominal circumference from 20.3 to 17.8 cm, and resolution of the ascites within 72 h. Despite this dramatic response to therapy, fetal death occurred on day 5 of treatment.
  • (2) Proving that not all teens are content with being part of a purely digital community, Adele Mayr attended a YouTube meet-up in London’s Hyde Park.
  • (3) The method is implemented with a digital non-causal (zero-phase shift) filter, based on the convolution with a finite impulse response, to make the computation time compatible with the use of low-cost microcomputers.
  • (4) This week MediaGuardian 25, our survey of Britain's most important media companies, covering TV, radio, newspapers, magazines, music and digital, looks at BSkyB.
  • (5) Evidence of the industrial panic surfaced at Digital Britain when Sly Bailey, the chief executive of Trinity Mirror, suggested that national newspaper websites that chased big online audiences have "devalued news" , whatever that might mean.
  • (6) Plasma drug concentrations, subjective self-ratings, and the digit symbol substitution test (DSST) were evaluated during 24 hours after dosage.
  • (7) The latter indicated that, despite the smaller size of the digital image, they were adequate for resolving clinically significant soft-tissue densities.
  • (8) YOH shifted the healthy subjects' mood towards feeling panicked, elevated systolic blood pressure and plasma prolactin concentrations, reduced digit symbol substitution, and induced drowsiness and passiveness.
  • (9) Digitalization by direct intramuscular injection of the fetus successfully controlled supraventricular tachycardia at 24 weeks' gestation after more traditional intensive trials of transplacental therapy with digoxin, verapamil, and procainamide, either separately or in combination, had failed.
  • (10) These images were previously determined by using a recently developed hybrid optical-digital method.
  • (11) Following each stimulus, the subject had to press a button for RT and then report the digit perceived.
  • (12) The need here is to promote the development of genuinely participative models – citizens panels and juries, patient and community leaders, participatory budgeting, and harnessing the power of digital engagement.
  • (13) Quoting the BBC-commissioned survey of more than 2,000 adults, Lyons said they had been given six choices what to do with the licence fee surplus once digital switchover was complete.
  • (14) Classic technics of digital image analysis and new algorithms were used to improve the contrast on the full image or a portion of it, contrast a skin lesion with statistical information deduced from another lesion, evaluate the shape of the lesion, the roughness of the surface, and the transition region from the lesion to the normal skin, and analyze a lesion from the chromatic point of view.
  • (15) Safety was assessed by clinical follow-up, continuous recording of arterial oxygen saturation during the procedure with a digital oximeter, and measuring FEV1, FEF25-75, and FVC just before and 5 min after bronchoscopy.
  • (16) Digital respirosonography provides an easy way to assess lung sound amplitudes, frequencies and timing over several breaths.
  • (17) True Love Impulse Body Spray, Simple Kind to Skin Hydrating Light Moisturiser and VO5 Styling Mousse Extra Body marked double-digit price rises on average across the four chains.
  • (18) However, it had no significant effect on grip strength, digital contractures, respiratory function or visceral involvement.
  • (19) The BBC has reversed its decision to close the Asian Network digital radio station – but will look to cut its budget in half.
  • (20) Lateral digits of forelimbs were slightly more affected than medial digits of hindlimbs (17.0% vs 14.8%).

Optical


Definition:

  • (a.) Of or pertaining to vision or sight.
  • (a.) Of or pertaining to the eye; ocular; as, the optic nerves (the first pair of cranial nerves) which are distributed to the retina. See Illust. of Brain, and Eye.
  • (a.) Relating to the science of optics; as, optical works.

Example Sentences:

  • (1) Following central retinal artery ligation, infarction of the retinal ganglion cells was reflected by a 97 per cent reduction in the radioactively labeled protein within the optic nerve.
  • (2) This study examined both the effect of variations in optical fiber tip and in light wavelength on laser-induced hyperthermia in rat brain.
  • (3) The number of axons displaying peptide-like immunoreactivity within the optic nerve, retinal or cerebral to the crush, and within the optic chiasm gradually decreased after 2-3 months.
  • (4) Once the normal variations are mastered, appreciation of retinal, choroidal, optic nerve, and vitreal abnormalities is possible.
  • (5) Chromatolysis and swelling of the cell bodies of cut axons are more prolonged than after optic nerve section and resolve in more central regions of retina first.
  • (6) CW Nd:YAG light transmitted by fiber optic cable and sapphire crystal was applied transsclerally to the ciliary body of pigmented and albino rabbits.
  • (7) Unlike results seen in the goldfish optic nerve, injury to the rat optic nerve induced no observable increase in laminin content or change in its distribution.
  • (8) This is the first report of anterior ischemic optic neuropathy as a result of hemodialysis-associated hypotension.
  • (9) It is shown that, by comparison of a reacting mixture at chemical equilibrium with a non-reacting but equally composed one, the sum of the mean concentrations of the reaction products can immediately be taken from optical absorption or from interferometric measurements.
  • (10) A television camera scans the spread through microscope optics; computer and special purpose electronics process the video signals to generate run length histograms.
  • (11) The purity and configuration of each isomer of the free acid and N-chloroacetylated derivative were ascertained by: (a) paper chromatography in five solvent systems, (b) elemental analysis, (c) Van Slyke nitrous acid determination of alpha-carbonyl carbon, and (d) Van Slyke ninhydrin determination of alpha-carbonyl carbon, and (e) optical rotation.
  • (12) The optical and oxygen binding properties of the reconstituted myoglobins containing two isomeric monoformyl-monovinylhemins were found to be different.
  • (13) These images were previously determined by using a recently developed hybrid optical-digital method.
  • (14) The development of optical fibers capable of transmitting laser energy has encouraged the experimental use of laser irradiation for the treatment of acquired cardiovascular disorders.
  • (15) This technique is sensitive to the optical anisotropy within the muscle, including that due to intrinsic properties of the protein molecules as well as that due to the regular arrangement of proteins in the surrounding medium.
  • (16) Patients should be evaluated by perimetry using an appropriate strategy and contrast sensitivity testing, along with careful examination of the optic discs.
  • (17) Thus, during treatment with ethambutol visually (pattern) evoked potentials may reveal a surprisingly high percentage of subclinical optic neuritis.
  • (18) The optical efficiencies are similar and depend on the match of the excitation characteristics of the stain with the emission spectra of the light source.
  • (19) Morphological results demonstrated that 30 Gy irradiated animals showed extensive necrosis primarily in the fimbria, which extended into the internal capsule, optic nerve, hippocampus, and thalamus.
  • (20) A compact attachment for microscope-type instruments is described enabling to introduce, rapidly and qualitatively, minute biological speciments into melted embedding medium and ensuring the safety of optics.