Abstract
Forty-six eyes of 23 patients with low-tension glaucoma (LTG) were examined by means of automated perimetry (Prog. 31, Octopus 201) and Leydhecker’s tonography test.
In an intraindividual comparison 40 eyes of 20 patients with LTG and asymmetric visual field (difference between total loss of right and left eye higher than 200 dB) were examined. In 85% of the patients the eye with more advanced visual field damage also had the worse tonography test values.
Regarding the sensitivity of the tonography test in the diagnosis of LTG, 60.9% of patients with LTG received the tonography test diagnosis “nonpathologic”.
The mean visual field loss of eyes with tonography test diagnosis “nonpathologic” and “pathologic” were compared. Eyes with the diagnosis “pathologic” had a significantly higher mean visual field loss than eyes with the diagnosis “nonpathologic”.
The therapeutic consequence of these results is the first-line use of drugs (Pilocarpine and adrenaline derivates) which improve the outflow facility. If progression of visual field damage occurs or if the patient cannot tolerate these drugs, a topical betablocker may be indicated. If this is not sufficient and if the known systemic risk factors are corrected as much as possible, filtering surgery may be called for.
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Cunha, L., Gramer, E. (1992). Intraocular Pressure Treatment in Low-Tension Glaucoma?. In: Gramer, E., Kampik, A. (eds) Pharmakotherapie am Auge. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-77532-1_3
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DOI: https://doi.org/10.1007/978-3-642-77532-1_3
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