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Intraocular pressure according to different types of tonometry (non-contact and Goldmann applanation) in patients with different degrees of bilateral tearing


Autoři: Bo Ram Seol aff001;  Tae Gu Kang aff001;  Bonhyeok Gu aff001
Působiště autorů: Department of Ophthalmology, Veterans Health Service (VHS) Medical Center, Seoul, Korea aff001
Vyšlo v časopise: PLoS ONE 14(9)
Kategorie: Research Article
doi: https://doi.org/10.1371/journal.pone.0222652

Souhrn

Purpose

To investigate intraocular pressure (IOP) readings by non-contact tonometry (NCT) and Goldmann applanation tonometry (GAT) for patients with different degrees of bilateral tearing.

Methods

In this study, we reviewed the medical charts of patients complaining of different degrees of bilateral tearing. The tear meniscus height (TMH) and IOP with NCT and GAT were measured. In each patient, a comparison of IOP readings between the eye with lower TMH and the contralateral eye with higher TMH was evaluated. The TMH was graded as follows: grade 1 (low): TMH < 0.2 mm; grade 2 (moderate): 0.2 mm ≤ TMH < 0.6 mm; grade 3 (high): TMH ≥ 0.6 mm. Subsequently, a comparison of IOP readings among eyes with low, moderate, and high TMH was also performed.

Results

A total of 120 eyes of 60 patients were enrolled. When comparing the two eyes of a patient, the eye with higher TMH showed higher NCT readings and larger difference in IOP readings between the two tonometries than the eye with lower TMH (P < 0.001 and P < 0.001, respectively). When TMH was classified into grades according to the degree, the high TMH eyes showed higher NCT readings than did the low and moderate TMH eyes (P < 0.001 and P = 0.001, respectively). In addition, the high TMH eyes showed a larger difference in IOP readings between the two tonometries than did the low and moderate TMH eyes (P < 0.001 and P < 0.001, respectively).

Conclusion

Eyes with higher TMH showed higher NCT readings and a larger difference in IOP between the two tonometries (NCT and GAT) than those with lower TMH. In patients with tearing, the NCT value may be inaccurate, so it is necessary to measure the GAT.

Klíčová slova:

Biology and life sciences – Anatomy – Head – Cornea – Intraocular pressure – Medicine and health sciences – Eyes – Ocular system – Ocular anatomy – Ophthalmology – Eye diseases – Glaucoma – Endocrinology – Endocrine disorders – Metabolic disorders – Vascular medicine – Blood pressure – Hypertension – Health care – Health care providers – Medical doctors – Physicians – Computer and information sciences – Data visualization – Infographics – Charts – People and places – Population groupings – Professions – Medical personnel


Zdroje

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