hypotony


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Related to hypotony: hypotony maculopathy, Phthisis bulbi

hy·po·to·ni·a

(hī'pō-tō'nē-ă),
1. Reduced tension in any part, as in the eyeball.
2. Relaxation of the arteries.
3. A condition in which there is a diminution or loss of muscular tonicity.
Synonym(s): hypotonicity (1) , hypotonus, hypotony
[hypo- + G. tonos, tone]
References in periodicals archive ?
In one study, 3.3% of eyes undergoing 23-gauge vitrectomy experienced transient hypotony on first post-operative day.6 In another study, 66 eyes were operated with 23-gauge vitrectomy, out of which post-operative hypotony occurred in 2 eyes.7 Frequency of post-operative hypotony is 3.3%.6 Unlike internationally made sophisticated instruments, we use locally made re-usable and cost-effective instruments in our setup, therefore we assume that there may be higher frequency of hypotony in our clinical practice.
(8,47,55) The Food and Drug Administration in 1992 issued an alert to avoid succinylcholine in patients with a history of myopathies or unclear congenital hypotony. Inhaled anesthetics may be used with care in children with dystrophies and the pre-surgical potassium and creatine kinase levels must be monitored, in addition to cardiac function.
No patient developed hypotony in case where releasable suture was removed in the early post operative period.
However, cataract surgery might be challenging and visual outcomes disappointing in cases of secondary hypotony, which occurred in 80% of EVD survivors.
A survey of hypotony cases in human revealed that the condition can be associated with cataract surgery and previous uveitis (DANIEL et al., 2012).
This proprietary XEN45 technology facilitates aqueous fluid flow to lower Intra-Ocular Pressure while protecting against the potential for hypotony (IOP that is too low) that is associated with current subconjunctival procedures.
The XEN45 technology facilitates aqueous fluid flow to lower IOP while protecting against the potential for hypotony that is associated with current subconjunctival procedures.
Hypotony and respiratory distress are the most important warning signs observed in these babies.
However, lupus flare with clinical ocular findings as hypotony maculopathy presented 1-week after uneventful surgery.
Its most frequent complications are: Claude Bernard-Horner's Syndrome or Horner's syndrome, urinary retention, arterial hypotension, sensorial ataxy, hypotony and ipislateral hemiparesis, but fortunately, temporary or not remarkable.