1. Holladay JT. Standardizing constants for ultrasonic biometry, keratometry, and intraocular lens power calculations. J Cataract Refractive Surg. 1997; 23:1356–70.
Article
2. Kim YY, Jung HR. Clarifying the nomenclature for primary angle closure glaucoma. Surv Ophthalmol. 1997; 42:125–36.
3. Ang MH, Baskaran M, Kumar RS. . National survey of ophthalmologists in Singapore for the assessment and management of asymptomatic angle closure. J Glaucoma. 2008; 17:1–4.
Article
4. Lavanya R, Wong TY, Friedman DS. . Determinants of angle closure in older Singaporeans. Arch Ophthalmol. 2008; 126:686–91.
Article
5. Koranyi G, Lydahl E, Norrby S, Taube M. Anterior chamber depth measurement: A‐ scan versus optical methods. J Cataract Refract Surg. 2002; 28:243–7.
6. Meinhardt B, Stachs O, Stave J. . Evaluation of biometric methods for measuring the anterior chamber depth in the non ‐contact mode. Graefes Arch Clin Exp Ophthalmol. 2006; 244:559–64.
7. Ryu HW, Kim KR, Chung SK. Comparison of A‐ scan, scheimpflug camera, and orbscan for measurement of anterior chamber depth. J Korea Ophthalmol Soc. 2006; 47:1287–91.
8. Giers U, Epple C. Comparison of A‐ scan device accuracy. J Cataract Refract Surg. 1990; 16:235–42.
9. Konstantopoulos A, Hossain P, Anderson DF. Recent advances in ophthalmic anterior segment imaging: a new era for ophthalmic diagnosis? Br J Ophthalmol. 2007; 91:551–7.
10. Swartz T, Marten L, Wang M. Measuring the cornea: the latest developments in corneal topography. Curr Opin Ophthalmol. 2007; 18:325–33.
Article
11. Elbaz U, Barkana Y, Gerber Y. . Comparison of different techniques of anterior chamber depth and keratometric measurements. Am J Ophthalmol. 2007; 143:48–53.
Article
12. Emre S, Doganay S, Yologlu S. Evaluation of anterior segment parameters in keratoconic eyes measured with the Pentacam system. J Cataract Refract Surg. 2007; 33:1708–12.
Article
13. Friedman DS, Gazzard G, Foster P. . Ultrasonographic biomicroscopy, Scheimpflug photography, and novel provocative tests in contralateral eyes of Chinese patients initially seen with acute angle closure. Arch Ophthalmol. 2003; 121:633–42.
Article
14. Bourne RR, Alsbirk PH. Anterior chamber depth measurement by optical pachymetry: systematic difference using the Haag‐ Streit attachments. Br J Ophthalmol. 2006; 90:142–5.
15. Foster PJ, Devereux JG, Alsbirk PH. Detection of gonioscopically occludable angles and primary angle closure glaucoma by estimation of limbal chamber depth in Asians: modified grading scheme. Br J Ophthalmol. 2000; 84:186–92.
Article
16. Congdon NG, Spaeth GL, Augsburger J. . A proposed simple method for measurement in the anterior chamber angle: biometric gonioscopy. Ophthalmology. 1999; 106:2161–7.
17. Lowe R. Primary creeping angle‐ closure glaucoma. Br J Ophthalmol. 1964; 48:544–50.
18. Foster PJ, Buhrmann R, Quigley HA, Johson GJ. The definition and classification of glaucoma in prevalence surveys. Br J Ophthalmol. 2002; 86:238–42.
Article
19. Shields MB, Ritch R. The secondary glaucomas. St Louis: CV Mosby;1982. p. 3–7.
20. Tomlision A, Leighton DA. Ocular dimensions in the heredity of angle closre glaucoma. Br J Ophthalmol. 1973; 57:475–86.
21. Dandona L, Dandona R, Mandal P. . Angle closure glaucoma in an urban population in South India. Ophthal-mology. 2000; 107:1710–6.
22. Lowe RF. Aetiology of the anatomical basis for primary angle closure glaucoma. Biometrical comparisons between normal eyes and eyes with primary angle closure glaucoma. Br J Ophthalmol. 1970; 54:161–9.
23. Sihota R, Lakshmaiah NC, Agarwal HC. . Ocular parameters in the subgroups of angle closure glaucoma. Clin Experiment Ophthalmol. 2000; 28:253–8.
Article
24. Oka N, Otori Y, Okada M. . Clinical study of anterior ocular segment topography in angle‐ closure glaucoma using the three‐ dimensional anterior segment analyzer Pentacam. Nippon Ganka Gakkai Zasshi. 2006; 110:398–403.
25. Lee DA, Brubaker RF, Ilstrup DM. Anterior chamber dimensions in patients with narrow angles and angle‐ closure glaucoma. Arch Ophthalmol. 1984; 102:46–50.
26. Congdon N, Wang F, Tielsch JM. Issues in the epidemiology and population‐ based screening of primary angle‐ closure glaucoma. Surv Ophthalmol. 1992; 36:411–23.
27. Javitt J, Sommer A. A population‐ based evaluation of glaucoma screening: the Baltimore eye surgery. Am J Ophthalmol. 1991; 134:1102–10.
28. Shiose Y, Kitazawa Y, Tsukuhara S. . Epidemiology of glaucoma in Japan: a nationwide glaucoma survey. Jpn J Ophthalmol. 1991; 35:133–55.
29. Tomlinson A, Leighton DA. Ocular dimensions and the heredity of open‐ angle glaucoma. Br J Ophthalmol. 1974; 58:68–74.
30. Silver DM, Quigley HA. Aqueous flow through the iris‐ lens channel: estimates of differential pressure between the anterior and posterior chambers. J Glaucoma. 2004; 13:100–7.
31. Singh RP, Goldberg I, Graham . . Central corneal thickness, tonometry, and ocular dimensions in glaucoma and ocular hypertension. J Glaucoma. 2001; 10:206–10.
Article
32. Sihota R, Dada T, Gupta R. . Ultrasound biomicroscopy in the subtypes of primary angle closure glaucoma. J Glaucoma. 2005; 14:387–91.
Article
33. Lee DA, Brubaker RF, Ilstrup DM. Anterior chamber dimensions in patients with narrow angles and angle‐ closure glaucoma. Arch Ophthalmol. 1984; 102:46–50.
34. Mimiwati Z, Fathilah J. Ocular biometry in the subtypes of primary angle closure glaucoma in University Malaya Medical Centre. Med J Malaysia. 2001; 56:341–9.
35. Lee JY, Kim YY, Jung HR. Distribution and characteristics of peripheral anterior synechiae in primary angle‐ closure glaucoma. Korean J Ophthalmol. 2006; 20:104–8.
36. Buehl W, Stojanac D, Sacu S. . Comparison of three methods of measuring corneal thickness and anterior chamber depth. Am J Ophthalmol. 2006; 141:7–12.
Article
37. Barkana Y, Gerber Y, Elbaz U. . Central corneal thickness measurement with the Pentacam Scheimpflug system, optical low‐ coherence reflectometry pachymeter, and ultrasound pachymetry. J Cataract Refract Surg. 2005; 31:1729–35.
38. O'Donnell C, Maldonado‐ Codina C. Agreement and repeat-ability of central thickness measurement in normal corneas using ultrasound pachymetry and the OCULUS Pentacam. Cornea. 2005; 24:920–4.
39. Lackner B, Schmidinger G, Skorpik C. Validity and repeat-ability of anterior chamber depth measurements with Pentacam and Orbscan. Optom Vis Sci. 2005; 82:858–61.
40. Lackner B, Schmidinger G, Pieh S. . Repeatability and reproducibility of central corneal thickness measurement with Pentacam, Orbscan, and ultrasound. Optom Vis Sci. 2005; 82:892–9.
Article
41. Fujioka M, Nakamura M, Tatsumi Y. . Comparison of Pentacam Scheimpflug camera with ultrasound pachymetry and noncontact specular microscopy in measuring central corneal thickness. Curr Eye Res. 2007; 32:89–94.
Article
42. Shin YJ, Kim NH, Kim DH. Comparison of pentacam with orbscan. J Korea Ophthalmol Soc. 2007; 48:637–41.
43. Rabsilber TM, Khoramnia R, Auffarth GU. Anterior chamber measurements using Pentacam rotating Scheimpflug camera. J Cataract Refract Surg. 2006; 32:456–9.
Article