What's the difference between absence and aphakia?

Absence


Definition:

  • (n.) A state of being absent or withdrawn from a place or from companionship; -- opposed to presence.
  • (n.) Want; destitution; withdrawal.
  • (n.) Inattention to things present; abstraction (of mind); as, absence of mind.

Example Sentences:

  • (1) These data suggest that the hybrid is formed by the same mechanism in the absence and presence of the urea step.
  • (2) In the absence of atrial dilatation there was minimal stimulus for ANF secretion.
  • (3) This diagnosis was obscured by the absence of cutaneous, oropharyngeal, and respiratory involvement.
  • (4) Despite their absence, photoreceptors maintained a normal rate of OS assembly.
  • (5) It is likely that trunk mobility is necessary to maintain integrity of SI joint and that absence of such mobility compromises SI joint structure in many paraplegics.
  • (6) It was concluded that the significant factors affecting outcome are tumor cell type and presence or absence or mitoses.
  • (7) PMN were found to be nonpermissive for HSV replication and were unable to bind virus in the absence of antibody.
  • (8) Issues such as healthcare and the NHS, food banks, energy and the general cost of living were conspicuous by their absence.
  • (9) The results indicate that OA-bearing macrophages primed T cells and generated helper T cells, whereas the culture of normal lymphocytes with soluble OA in the absence of macrophages generated suppressor T cells.
  • (10) In the absence of an authentic target for the MASH proteins, we examined their DNA binding and transcriptional regulatory activity by using a binding site (the E box) from the muscle creatine kinase (MCK) gene, a target of MyoD.
  • (11) The patients were classified into two groups according to the presence (n = 166) or absence (n = 176) of documented episodes of atrial fibrillation preoperatively.
  • (12) Because of the short detachment interval, and the absence of underlying pathology or trauma, the recovery process described here probably represents an example of optimum recovery after retinal reattachment.
  • (13) Names, and the absence of them, could be important Facebook Twitter Pinterest Don’t look back … Daisy Ridley’s Rey and John Boyega’s stormtrooper Finn.
  • (14) This observation not only provides definitive evidence for the photogeneration of O2-, but also indicates that only a fraction of this species is transformed into H2O2 in the absence of SOD.
  • (15) The relative strength of the progressions varies with excitation wavelength and this, together with the absence of a common origin, indicates the existence of two independent emitting states with 0-0' levels separated by either 300 or 1000 cm-1.
  • (16) Peptide:N-glycosidase F removed both the asparagine-linked oligosaccharide chains of ricin B-chain in the absence of lactose.
  • (17) When labelled long-chain fatty acids or glycerol were infused into the lactating goat, there was extensive transfer of radioactivity into milk in spite of the absence of net uptake of substrate by the mammary gland.
  • (18) On the other hand, if we correct for the population of HMM with degraded light chain 2, the difference in the binding constants in the presence and absence of Ca2+ may be as great as 5-fold.
  • (19) In fact, the distribution of [3H]oleate between plasma membranes and unilamellar vesicles of lipids extracted from these membranes was in favor of the lipids, indicating the absence of a detectable amount of binding to a putative fatty acid binding protein in plasma membranes.
  • (20) Patients were selected for the severity of their malnutrition and for absence of other diseases.

Aphakia


Definition:

  • (n.) An anomalous state of refraction caused by the absence of the crystalline lens, as after operations for cataract. The remedy is the use of powerful convex lenses.

Example Sentences:

  • (1) This anniversary offers the opportunity to the authors to recall that it is most desirable, before operating, that theoretical modifications of the size of retinian pictures should be considered, according to the selected compensatory method, especially in the case of anisometropia or unilateral aphakia.
  • (2) The indications for surgery were: dysthyroid ophthalmopathy, fourth nerve palsy, monocular aphakia with strabismus and miscellaneous conditions.
  • (3) One of the eyes conformed with the classical description of primary congenital aphakia (PCA), namely, that no structures of the anterior eye segment are present.
  • (4) Epikeratophakia is becoming a significant and worthwhile surgical modality for selected cases of pediatric and adult aphakia, keratoconus, and myopia.
  • (5) Their use for presbyopia, aphakia, and glaucoma is considered.
  • (6) Trisomy 1 embryos consistently show eye defects (e.g., aphakia, microphakia, retention of lens stalk).
  • (7) As opposed to the conventional type of contact lens treatment in monolateral aphakia, this method has four main advantages: 1.
  • (8) In 40 cases of unilateral aphakia (12 congenital, 28 traumatical) the prognosis depends on the age of the individual and maintenance of treatment.
  • (9) Relaxing incisions with compression sutures were performed in seven eyes with high astigmatism following epikeratoplasty for keratoconus and in one case of posttraumatic aphakia.
  • (10) The problems of optical correction of unilateral traumatic aphakia are discussed.
  • (11) There were 11 cases of myopia, 7 of aphakia and 7 of keratoconus.
  • (12) Abnormal lens morphogenesis in the aphakia mutant in the mouse often results in a club-shaped elongated 'lens' that remains attached to the surface epithelium by a persistent connecting stalk, which is partially solid and partially cystic.
  • (13) Penetrating keratoplasty was performed for lenticule scarring in the first case (adult aphakia) and inadequate best corrected visual acuity in the second case (keratoconus).
  • (14) In view of such lesions, one cannot consider the aphakic patient as a normal subject and aphakia as a physiological condition.
  • (15) The presence of aphakia, extent of preoperative angle closure, and patient's age had no bearing on the outcome.
  • (16) Examples are shown of children with opaque media who were found to have congenital cataracts and congenital aphakia, microphthalmos, PHPV, retinal anomalies and ectatic coloboma.
  • (17) A classic hypotony syndrome with progressive loss of visual acuity was observed in two patients, one with extracapsular aphakia and one with extracapsular pseudophakia.
  • (18) The safety of epikeratophakia makes it a desirable option for the correction of aphakia in children who are spectacle or contact-lens intolerant, and the permanence of the correction eliminates the problem of optical noncompliance.
  • (19) Factors associated with an increased risk of bleb failure include youth, aphakia, active anterior segment neovascularization, inflammation, previously failed glaucoma filtering surgery, and, possibly, race.
  • (20) Extended-wear contact lenses were fitted to 225 patients with monocular aphakia and 150 with bilateral aphakia.

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