Evaluation of biometric methods for measuring the anterior chamber depth in the non-contact mode

Meinhardt, B.; Stachs, Oliver; Stave, J.; Beck, R.; Guthoff, Rudolf

doi:10.1007/s00417-005-0103-7

Cited by 59 publications

(40 citation statements)

References 18 publications

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“…Die Reproduzierbarkeit der einzelnen Geräte wurde bereits in einigen Studien belegt [5,7,10,15,19,24,26]. Sowohl Alter als auch Geschlechtsverteilung der hier erfassten Probanden entsprechen der typischen Zielgruppe für kammerwinkelgestützte pIOL [18].…”

Section: Diskussionunclassified

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Biometrie des vorderen Augensegmentes zur Implantation phaker Vorderkammerlinsen

Kiraly¹,

Duncker²

2012

Ophthalmologe

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Section: Diskussionunclassified

“…Alle Messungen der VKT mit dem Ultraschallbiomikroskopieverfahren (UBM) wurden mit einer Vorlaufstrecke durchgeführt. Als Vorlaufflüssig-keit wurde 0,9% NaCl-Lösung eingesetzt.Der IOLMaster ermittelt die epitheliale VKT automatisiert[15,24]. Zur VKTMessung mit dem Visante OCT wurde im hochaufgelösten Querschnittbild der Vorderkammer der Hornhautapex manuell bestimmt.…”

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Biometrie des vorderen Augensegmentes zur Implantation phaker Vorderkammerlinsen

Kiraly¹,

Duncker²

2012

Ophthalmologe

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“…Bu de¤erin 2'nin üzerinde olmas› ölçümün geçerli oldu¤unu, 1,6'n›n alt›nda olmas› ise güvenilir olmad›¤› anlam›na gelir. Görme aks›ndaki yo¤un opasiteler, hasta fiksasyonun iyi olmamas›, nistagmus gibi durumlar ölçümün güvenilirli¤ini azalt›rlar (8).…”

Section: Giriflunclassified

“…Eleftheriadis (13) çal›flmas›nda IOLMaster ile saptad›¤› aksiyel uzunluk ölçümlerini ultrasonik biyometriye göre daha yüksek bulmufltur. Yap›lan di¤er çal›flmalarda IOLMaster'›n immersiyon biyometriye benzer, hatta daha do¤ru aksiyel uzunluk ölçümü ald›¤› gösterilmifltir (14,15 (8). Moreno ve ark.…”

Section: Tart›flmaunclassified

Evaluation of Anterior Segment Parameters in Pseudoexfoliation Syndrome Patients

Acar¹,

Buttanrı²,

Sevim³

et al. 2010

tod

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ÖzetAmaç: Psödoeksfolyasyon sendromlu (PES) hastalar›n IOLMaster ve optik koherens tomografi (OKT) kullan›larak elde edilen ön segment parametrelerinin sa¤l›kl› kontrol grubu ile karfl›laflt›r›lmas› Gereç ve Yöntem: Psödoeksfolyasyon saptanan 45 hastan›n 45 gözü ve sa¤l›kl› kontrol grubu olarak çal›flmaya dahil edilen 45 hastan›n 45 gözü IOLMaster ve OKT ile de¤erlendirildi. IOLMaster ile elde edilen aksiyel uzunluk (AU), ön kamara derinli¤i (ÖKD), kornea kurvatürü (KK) de¤erleri ile OKT ile elde edilen ön kamara aç›s› (ÖKA) ve santral kornea kal›nl›¤› (SKK) de¤erleri iki grup aras›nda karfl›laflt›r›ld›. Sonuçlar: Psödoeksfolyasyon sendromlu hastalar›n yafl ortalamas› 67,7±6,4 y›l, sa¤l›kl› kontrol grubunun yafl ortalamas› 66,0±7,3 y›l idi (p=0,805). Aksiyel uzunluk PES 'li grupta daha yüksek bulunsa da iki grup aras›ndaki fark istatistiksel olarak anlaml› de¤ildi (p=0,416). ÖKD, ÖKA ve SKK kontrol grubunda daha yüksek bulunmas›na ra¤men iki grup aras›nda bu de¤erler aç›s›ndan istatistiksel olarak anlaml› fark yoktu (p=0,435, p=0,526, p=0,315). Tart›flma: IOLMaster ve OKT ön segment parametrelerinin de¤erlendirilmesinde h›zl›, invaziv olmayan, lokal anestezi gerektirmeyen, hasta konforunun yüksek oldu¤u kolay ö¤renilebilir ve uygulanabilir yöntemlerdir. Ameliyat öncesi hekime yol gösterebilecek bu yöntemler ile saptanan AU, ÖKD, ÖKA, SKK ve KK de¤erleri aç›s›ndan PES'li ve sa¤l›kl› bireyler aras›nda fark yoktur.(TOD Dergisi 2010; 40: 217-21) Anahtar Kelimeler: Psödoeksfolyatif sendrom, IOLMaster, optik koherens tomografi, ön segment parametreleri Summary Purpose: To compare the anterior segment parameters of pseudoexfoliation syndrome (PES) patients and healthy control subjects using IOLMaster and optical coherence tomography (OCT). Material and Method: Forty-five eyes of 45 patients with PES, and 45 eyes of 45 healthy control subjects were evaluated with IOLMaster and OCT. Axial length (AL), anterior chamber depth (ACD), and corneal curvature (CC) measured with the IOLMaster, as well as anterior chamber angle (ACA) and central corneal thickness (CCT) determined by OCT were compared between the two groups. Results: The mean age of PES patients was 67.7±6.4 years and of healthy control group was 66.0±7.3 years (p=0.805). AL was found to be higher in the PES group, but the difference between the two groups was not statistically significant (p=0.416). Although ACD, ACA and CCT parameters were higher in the control group, there was no statistically significant difference between the two groups (p=0.435, p=526, p=0.315). Discussion: IOLMaster and OCT are rapid, non-invasive techniques in the evaluation of anterior segment parameters that do not require local anesthesia, provide high patient comfort, and are easy to learn and apply. AL, ACD, ACA, CCT and KK determined with these methods preoperatively may help guide the physician, and there is no difference between the values of PES patients and healthy individuals. (TOD Journal 2010; 40: 217-21)

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“…Several studies also have indicated a high reproducibility in pentacam (Shankar et al, 2008;Amano et al, 2006;Barkana et al, 2005;Ambrosio, Alonso, Luz, & Coca Velarde, 2006;ODonnell & Maldonado-Codina, 2005;Khoramnia, Rabsilber, & Auffarth, 2007;Lam & Chen, 2007;Buehl, Stojanac, Sacu, Drexler, & Findl, 2006;Meinhardt, Stachs, Stave, Beck, & Guthoff, 2006). Thus, it is functional in screening and management of corneal diseases over time.…”

mentioning

confidence: 97%

Anterior Segment Eye Assessment of Refractive Surgery Candidates in the Southeast of Iran

Nakhjavanpour¹,

Payandeh²,

rajabi³

et al. 2016

GJHS

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Anterior segment eye parameters are essential factors in diagnosis, screening and management of abnormal ocular conditions. Based on the previous studies, they might differ from one race or population to another. Sistan-and-Baluchestan province, the southeast of Iran, has special weather conditions and race, plus lack of research on these diagnostic factors. Hence, the objective of the present study was to assess anterior segment parameters using pentacam in this area. 800 eyes of subjects which had been referred to the Al-Zahra eye hospital of Zahedan, the capital city of the province, for corneal refractive surgery from October 2014 to March 2015 participated in this research. 95% confidence limits for mean of central corneal thickness, anterior chamber depth and volume were (536.02, 541.20), (3.13, 3.18) and (187.63, 192.58) respectively. Multiple linear regression models showed a lower mean central corneal thickness, and maximum/minimum of keratometry, for males than females, adjusting for age and spherical equivalent. Inversely, anterior chamber depth, and volume were more in males. In order to diagnosis and treating ocular diseases which have effect on retinal thickness, precisely specification of predictive factors is highly needed.

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Evaluation of biometric methods for measuring the anterior chamber depth in the non-contact mode

Cited by 59 publications

References 18 publications

Biometrie des vorderen Augensegmentes zur Implantation phaker Vorderkammerlinsen

Biometrie des vorderen Augensegmentes zur Implantation phaker Vorderkammerlinsen

Evaluation of Anterior Segment Parameters in Pseudoexfoliation Syndrome Patients

Anterior Segment Eye Assessment of Refractive Surgery Candidates in the Southeast of Iran

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