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Comparative Study
. 2019 Mar;58(1):87-94.
doi: 10.20471/acc.2019.58.01.11.

SPECIFIC CHARACTERISTICS OF OCULAR BIOMETRIC FACTORS IN GLAUCOMATOUS PATIENTS WITH PSEUDOEXFOLIATIVE SYNDROME AS MEASURED BY OPTICAL LOW-COHERENCE REFLECTOMETRY

Željka Janjetović  1 , Mladen Bušić  1 , Damir Bosnar  1 , Josip Barać  1 , Ivanka Genda  1
Affiliations
Comparative Study

SPECIFIC CHARACTERISTICS OF OCULAR BIOMETRIC FACTORS IN GLAUCOMATOUS PATIENTS WITH PSEUDOEXFOLIATIVE SYNDROME AS MEASURED BY OPTICAL LOW-COHERENCE REFLECTOMETRY

Željka Janjetović et al. Acta Clin Croat. 2019 Mar.

Abstract

The aim of the study was to assess biometric factor aberrations and differences among groups of eyes with cataract and pseudoexfoliative syndrome, cataract and pseudoexfoliative glaucoma, and cataract and primary open-angle glaucoma (POAG), and to determine biometric factors of the eye specific for the group of glaucomatous patients with pseudoexfoliative syndrome by use of optical low-coherence reflectometry. This retrospective study included 72 patients, and the study sample of 102 eyes was divided into the following three groups according to diagnosis: 29 eyes with pseudoexfoliative syndrome and cataract; 36 eyes with POAG and cataract; and 37 eyes with pseudoexfoliative glaucoma and cataract. Data on biometric measurements (central corneal thickness, pupillary diameter, anterior chamber depth, lens thickness, axial length, retinal thickness, astigmatism and white-to-white) obtained by use of optical low-coherence reflectometry on a Lenstar LS 900® (Haag-Streit International) were collected and analyzed by thorough survey of medical documentation of patients scheduled for cataract surgery at Department of Ophthalmology, Sveti Duh University Hospital in Zagreb, Croatia. Comparative analysis of the groups yielded statistically significant differences in central corneal thickness (F2/99=7.066; p=0.001) and lens thickness (F2/96=5.133; p=0.008). The group of eyes diagnosed with pseudoexfoliative glaucoma and cataract had a significantly thinner cornea as compared with the other two groups and a significantly thicker lens as compared with the group of eyes with POAG and cataract. In conclusion, optical low-coherence reflectometry revealed differences in biometric factors among the three groups of eyes, with a statistically significantly thinner cornea and thicker lens in the group of glaucomatous patients with pseudoexfoliative syndrome.

Keywords: Cataract; Exfoliation syndrome; Glaucoma, open-angle; Optic low-coherence reflectometry.

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Figures

Fig. 1
Fig. 1
Patient mean age according to diagnosis. PEX+cataract = pseudoexfoliative syndrome and cataract; POAG+cataract = primary open-angle glaucoma and cataract; PEX glaucoma+cataract = pseudoexfoliative glaucoma and cataract
Fig. 2
Fig. 2
Comparison of central corneal thickness mean values according to study groups. PEX + cataract = pseudoexfoliative syndrome and cataract; POAG + cataract = primary open-angle glaucoma and cataract; PEX glaucoma + cataract = pseudoexfoliative glaucoma and cataract
Fig. 3
Fig. 3
Comparison of lens thickness mean values according to study groups. PEX + cataract = pseudoexfoliative syndrome and cataract; POAG + cataract = primary open-angle glaucoma and cataract; PEX glaucoma + cataract = pseudoexfoliative glaucoma and cataract
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