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01-09-2019 | Original Paper

Anterior chamber indices in a population-based study using the Pentacam

Authors: Hassan Hashemi, AbbasAli Yekta, Farzad Khodamoradi, Mohamadreza Aghamirsalim, Amir Asharlous, Mehrdad Assadpour, Mehdi Khabazkhoob

Published in: International Ophthalmology | Issue 9/2019

Abstract

Purpose

To determine the distribution of anterior chamber depth (ACD), anterior chamber volume (ACV), and anterior chamber angle (ACA) values in a rural population over 5 years of age using the Pentacam.

Methods

In this cross-sectional study, samples were selected from over 1-year-old inhabitants of two villages in Iran using a multistage cluster sampling approach. All participants underwent the measurement of uncorrected and corrected visual acuity and auto-refraction, retinoscopy, subjective refraction, and slit lamp examination. Finally, corneal imaging was done for all subjects over 5 years of age using the Pentacam.

Results

Of 3851 selected individuals, 3314 participated in the study, of whom 2681 met the inclusion criteria. The mean age of the sample was 36.03 ± 18.5 years (range 6–90 years). The mean ACD, ACA, and ACV values were 3.37 mm (95% CI: 3.37–3.39), 34.82° (95% CI: 34.45–35.2), and 159.17 µL (95% CI: 156–161.36), respectively. The results of multiple linear regression models showed that ACD, ACA, and ACV values reduced with age, and ACD and ACV values were significantly higher in males. ACA and ACV values correlated inversely with central corneal thickness, while the ACA value correlated directly with keratometry and inversely with the ACV value.

Conclusion

This study is one of the few studies in the world showing changes in ACD values in different age groups using the Pentacam. According to the results, aging was associated with a decline in the mean ACD, ACA, and ACV values. These parameters were the largest in patients with emmetropia and smallest in hyperopic subjects.

Cho HK, Kee C (2014) Population-based glaucoma prevalence studies in Asians. Surv Ophthalmol 59:434–447. https://doi.org/10.1016/j.survophthal.2013.09.003 CrossRefPubMed

Tham YC, Li X, Wong TY et al (2014) Global prevalence of glaucoma and projections of glaucoma burden through 2040: a systematic review and meta-analysis. Ophthalmology 121:2081–2090. https://doi.org/10.1016/j.ophtha.2014.05.013 CrossRefPubMed

Wright C, Tawfik MA, Waisbourd M et al (2016) Primary angle-closure glaucoma: an update. Acta Ophthalmol 94:217–225. https://doi.org/10.1111/aos.12784 CrossRefPubMed

Congdon NG, Spaeth GL, Augsburger J et al (1999) A proposed simple method for measurement in the anterior chamber angle: biometric gonioscopy. Ophthalmology 106:2161–2167. https://doi.org/10.1016/s0161-6420(99)90499-2 CrossRefPubMed

Yi JH, Hong S, Seong GJ et al (2008) Anterior chamber measurements by Pentacam and AS-OCT in eyes with normal open angles. Korean J Ophthalmol 22:242–245. https://doi.org/10.3341/kjo.2008.22.4.242 CrossRefPubMedPubMedCentral

Barrett BT, McGraw PV, Murray LA et al (1996) Anterior chamber depth measurement in clinical practice. Optom Vis Sci 73:482–486CrossRefPubMed

Hashemi H, Khabazkhoob M, Mohazzab-Torabi S et al (2016) Anterior chamber angle and anterior chamber volume in a 40- to 64-year-old population. Eye Contact Lens 42:244–249. https://doi.org/10.1097/icl.0000000000000192 CrossRefPubMed

Dinc UA, Gorgun E, Oncel B et al (2010) Assessment of anterior chamber depth using Visante optical coherence tomography, slitlamp optical coherence tomography, IOL Master, Pentacam and Orbscan IIz. Ophthalmologica 224:341–346. https://doi.org/10.1159/000313815 CrossRefPubMed

Ucakhan OO, Ozkan M, Kanpolat A (2009) Anterior chamber parameters measured by the Pentacam CES after uneventful phacoemulsification in normotensive eyes. Acta Ophthalmol 87:544–548. https://doi.org/10.1111/j.1755-3768.2008.01305.x CrossRefPubMed

10.

Nemeth G, Vajas A, Kolozsvari B et al (2006) Anterior chamber depth measurements in phakic and pseudophakic eyes: Pentacam versus ultrasound device. J Cataract Refract Surg 32:1331–1335. https://doi.org/10.1016/j.jcrs.2006.02.057 CrossRefPubMed

11.

He M, Huang W, Zheng Y et al (2008) Anterior chamber depth in elderly Chinese: the Liwan eye study. Ophthalmology 115:1286–1290. https://doi.org/10.1016/j.ophtha.2007.12.003 CrossRefPubMed

12.

Rabsilber TM, Khoramnia R, Auffarth GU (2006) Anterior chamber measurements using Pentacam rotating Scheimpflug camera. J Cataract Refract Surg 32:456–459. https://doi.org/10.1016/j.jcrs.2005.12.103 CrossRefPubMed

13.

Cheon MH, Sung KR, Choi EH et al (2010) Effect of age on anterior chamber angle configuration in Asians determined by anterior segment optical coherence tomography; clinic-based study. Acta Ophthalmol 88:e205–e210. https://doi.org/10.1111/j.1755-3768.2010.01960.x CrossRefPubMed

14.

Sun JH, Sung KR, Yun SC et al (2012) Factors associated with anterior chamber narrowing with age: an optical coherence tomography study. Invest Ophthalmol Vis Sci 53:2607–2610. https://doi.org/10.1167/iovs.11-9359 CrossRefPubMed

15.

Richdale K, Bullimore MA, Zadnik K (2008) Lens thickness with age and accommodation by optical coherence tomography. Ophthalmic Physiol Opt 28:441–447. https://doi.org/10.1111/j.1475-1313.2008.00594.x CrossRefPubMedPubMedCentral

16.

Wendt M, Croft MA, McDonald J et al (2008) Lens diameter and thickness as a function of age and pharmacologically stimulated accommodation in rhesus monkeys. Exp Eye Res 86:746–752. https://doi.org/10.1016/j.exer.2008.01.022 CrossRefPubMedPubMedCentral

17.

Xu L, Cao WF, Wang YX et al (2008) Anterior chamber depth and chamber angle and their associations with ocular and general parameters: the Beijing Eye Study. Am J Ophthalmol 145:929–936. https://doi.org/10.1016/j.ajo.2008.01.004 CrossRefPubMed

18.

Fontana ST, Brubaker RF (1980) Volume and depth of the anterior chamber in the normal aging human eye. Arch Ophthalmol 98:1803–1808CrossRefPubMed

19.

Ulvik SO, Seland JH, Wentzel-Larsen T (2005) Refraction, axial length and age-related maculopathy. Acta Ophthalmol Scand 83:419–423. https://doi.org/10.1111/j.1395-3907.2005.520_corr.x CrossRefPubMed

20.

Roy A, Kar M, Mandal D et al (2015) Variation of axial ocular dimensions with age, sex, height, BMI-and their relation to refractive status. J Clin Diagn Res 9:01–04. https://doi.org/10.7860/jcdr/2015/10555.5445 CrossRef

21.

Maeng H-SRE, Chung T-Y, Chung E-S (2010) Effects of anterior chamber depth and axial length on refractive error after intraocular lens implantation. J Korean Ophthalmol Soc 51:195–202CrossRef

22.

Muller M, Dahmen G, Porksen E et al (2006) Anterior chamber angle measurement with optical coherence tomography: intraobserver and interobserver variability. J Cataract Refract Surg 32:1803–1808. https://doi.org/10.1016/j.jcrs.2006.07.014 CrossRefPubMed

23.

Wu RY, Nongpiur ME, He MG et al (2011) Association of narrow angles with anterior chamber area and volume measured with anterior-segment optical coherence tomography. Arch Ophthalmol 129:569–574. https://doi.org/10.1001/archophthalmol.2011.68 CrossRefPubMed

24.

Sorbara L, Maram J, Fonn D et al (2010) Metrics of the normal cornea: anterior segment imaging with the Visante OCT. Clin Exp Optom 93:150–156. https://doi.org/10.1111/j.1444-0938.2010.00472.x CrossRefPubMed

25.

Emre S, Doganay S, Yologlu S (2007) Evaluation of anterior segment parameters in keratoconic eyes measured with the Pentacam system. J Cataract Refract Surg 33:1708–1712. https://doi.org/10.1016/j.jcrs.2007.06.020 CrossRefPubMed

26.

Oh YG, Minelli S, Spaeth GL et al (1994) The anterior chamber angle is different in different racial groups: a gonioscopic study. Eye (Lond) 8(Pt 1):104–108. https://doi.org/10.1038/eye.1994.20 CrossRef

27.

Olsen T (2006) Prediction of the effective postoperative (intraocular lens) anterior chamber depth. J Cataract Refract Surg 32:419–424. https://doi.org/10.1016/j.jcrs.2005.12.139 CrossRefPubMed

28.

Labiris G, Gkika M, Katsanos A et al (2009) Anterior chamber volume measurements with Visante optical coherence tomography and Pentacam: repeatability and level of agreement. Clin Exp Ophthalmol 37:772–774. https://doi.org/10.1111/j.1442-9071.2009.02132.x CrossRefPubMed

29.

Dinc U, Oncel B, Gorgun E et al (2009) Quantitative assessment of anterior chamber volume using slit-lamp OCT and Pentacam. Eur J Ophthalmol 19:411–415CrossRefPubMed

30.

Salouti R, Nowroozzadeh MH, Zamani M et al (2010) Comparison of anterior chamber depth measurements using Galilei, HR Pentacam, and Orbscan II. Optomet J Am Optomet Assoc 81:35–39. https://doi.org/10.1016/j.optm.2009.04.100 CrossRef

31.

Auffarth GU, Tetz MR, Biazid Y et al (1997) Measuring anterior chamber depth with Orbscan Topography System. J Cataract Refract Surg 23:1351–1355CrossRefPubMed

32.

Lackner B, Schmidinger G, Skorpik C (2005) Validity and repeatability of anterior chamber depth measurements with Pentacam and Orbscan. Optom Vis Sci 82:858–861CrossRefPubMed

33.

Hashemi H, Khabazkhoob M, Miraftab M et al (2012) The distribution of axial length, anterior chamber depth, lens thickness, and vitreous chamber depth in an adult population of Shahroud, Iran. BMC Ophthalmol 12:50CrossRefPubMedPubMedCentral

Title: Anterior chamber indices in a population-based study using the Pentacam
Authors: Hassan Hashemi
AbbasAli Yekta
Farzad Khodamoradi
Mohamadreza Aghamirsalim
Amir Asharlous
Mehrdad Assadpour
Mehdi Khabazkhoob
Publication date: 01-09-2019
Publisher: Springer Netherlands
Published in: International Ophthalmology / Issue 9/2019
Print ISSN: 0165-5701
Electronic ISSN: 1573-2630
DOI: https://doi.org/10.1007/s10792-018-1037-5

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Anterior chamber indices in a population-based study using the Pentacam

Abstract

Purpose

Methods

Results

Conclusion

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusion

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