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Biomedical subjects

O Wallin

Publications and source records attributed to O Wallin.

5 recordsLinked to original sources
PubMed1997

Blindness in glaucoma patients.

In order to determine the risk for bilateral blindness from glaucoma and to which extent other diseases are responsible for the disability, the registers of low vision clinics were surveyed. All registered patients still alive in 1991 with the diagnosis of glaucoma were included. Eighteen hundred and ninety-five patients fulfilled these criteria. Blindness was defined as bilateral visual acuity < or = 0.1. The majority of the patients (68%) had a visual acuity better than 0.1. The remaining 590 patients had a visual acuity < or = 0.1. In this latter group glaucoma was the reason for the low visual acuity in 20%, glaucoma in combination with other eye diseases in 35% and other eye diseases in 44%. Macular degeneration and cataracts were the main causes of the low vision in the latter group. The prevalence of glaucoma blindness in the Stockholm region was found to be 0.007% for glaucoma and 0.020% for glaucoma in combination with other eye diseases.

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PubMed1997

Hyaluronan in the exfoliation syndrome.

PURPOSE: To histochemically analyze if the glycoseaminoglycan component of pseudoexfoliation material consists of hyaluronan. METHODS: The hyaluronan binding region of cartilage proteoglycans was utilized in a staining specific for hyaluronan. The technique has been described and employed previously. Human donor eyes with and without the presence of visible pseudoexfoliations were analyzed. RESULTS: Hyaluronan was found to coat the fibrillar exfoliation material on the lens, the zonules, the iris epithelium and the ciliary body. It was also found on a capsular bag following cataract surgery. CONCLUSION: In the anterior chamber hyaluronan constitutes one part of the exfoliation material. Abnormal findings of hyaluronan could be found in the cornea.

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PubMed1989

Timolol-pilocarpine combined vs timolol and pilocarpine given separately.

In a controlled, double-observer, multicenter study, we compared the effect of a fixed combination of timolol 0.5%-pilocarpine 4% twice a day with that of timolol 0.5% twice a day plus pilocarpine 4% three times a day in 80 patients with open-angle glaucoma whose intraocular pressure was greater than 21 mm Hg on timolol 0.5% twice a day alone. Administered twice daily, the combination drug lowered intraocular pressure as effectively as concomitant treatment with timolol twice a day and pilocarpine three times a day. No statistically significant differences in reduction of intraocular pressure were found between the two groups nor were any unexpected side effects observed.

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