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  2. Ophthalmic drug administration - Wikipedia

    en.wikipedia.org/wiki/Ophthalmic_drug_administration

    However, for silicon-based lenses this parameter is inversely proportion to oxygen permeability (i.e. as thickness of the contact lens increases the oxygen permeability decreases). [12] Moreover, it has been shown that as water content increases in silicon-based lenses, the oxygen permeability decreases, another relationship that is inversely ...

  3. List of optometric abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_optometric...

    One drop gtt drops GSL General sales list Gutt/g Guttae (drops) Meds Medications Nocte/QHS At night Occ Ointment od/QD Once a day otc Over the counter (bought medication) P Pharmacy (drug) POM Prescription-only medicine prn When required q Every (e.g. q2h – every two hours) qds/qid Four times a day Rx Prescription tds/tid Three times a day ung

  4. Hypoxia (medicine) - Wikipedia

    en.wikipedia.org/wiki/Hypoxia_(medicine)

    In this situation there is not enough oxygen in the alveolar gas to fully oxygenate the blood volume passing through, and P a O 2 will be low. Conversely, an increased V/Q ratio tends to be a consequence of impaired perfusion, in which circumstances the blood supply is insufficient to carry the available oxygen, P a O 2 will be normal, but ...

  5. Hypoxemia - Wikipedia

    en.wikipedia.org/wiki/Hypoxemia

    Additionally, oxygen in a confined space can be consumed if carbon dioxide scrubbers are used without sufficient attention to supplementing the oxygen which has been consumed. Hypoxic or anoxic breathing gas mixtures, and exposure to a vacuum or other extreme low pressure environment will remove oxygen from the blood in the alveoli.

  6. FDA advises not to purchase certain eye drops due to ... - AOL

    www.aol.com/news/us-fda-asks-not-purchase...

    The eye drops are marketed by CVS Health, Rite Aid, Cardinal Health, along with Target's up & up brand and Velocity Pharma, the FDA said in a statement. FDA advises not to purchase certain eye ...

  7. Dilated fundus examination - Wikipedia

    en.wikipedia.org/wiki/Dilated_fundus_examination

    Dilated fundus examination (DFE) is a diagnostic procedure that uses mydriatic eye drops to dilate or enlarge the pupil in order to obtain a better view of the fundus of the eye. [1] Once the pupil is dilated, examiners use ophthalmoscopy to view the eye's interior, which makes it easier to assess the retina , optic nerve head , blood vessels ...

  8. Visine - Wikipedia

    en.wikipedia.org/wiki/Visine

    Visine (/ ˌ v aɪ ˈ z iː n /), also known as Vispring, is a brand of eye drops produced by Kenvue. [1] Visine was first introduced in 1958 and was acquired by Pfizer in 1999. [2] [3] In 2006, Johnson & Johnson acquired Visine, along with Pfizer's entire consumer healthcare portfolio. [4]

  9. Visual impairment - Wikipedia

    en.wikipedia.org/wiki/Visual_impairment

    Visual or vision impairment (VI or VIP) is the partial or total inability of visual perception.In the absence of treatment such as corrective eyewear, assistive devices, and medical treatment, visual impairment may cause the individual difficulties with normal daily tasks, including reading and walking. [6]

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