USE OF GRAFTS SMALLER THAN THE OPENING FOR KERATOCONIC MYOPIA AND ASTIGMATISM - A PROSPECTIVE-STUDY

被引：27

作者：

GIRARD, LJ ^{[1
]}

ESNAOLA, N ^{[1
]}

RAO, R ^{[1
]}

BARNETT, L ^{[1
]}

RAND, WJ ^{[1
]}

机构：

[1] BAYLOR COLL MED,DEPT OPHTHALMOL,HOUSTON,TX 77030

来源：

JOURNAL OF CATARACT AND REFRACTIVE SURGERY | 1992年 / 18卷 / 04期

关键词：

ASTIGMATISM; GRAFT; KERATOCONUS; MYOPIA; PENETRATING KERATOPLASTY;

D O I：

10.1016/S0886-3350(13)80076-4

中图分类号：

R77 [眼科学];

学科分类号：

100212 ;

摘要：

A prospective study was conducted on 15 consecutive keratoconic eyes to evaluate the use of grafts smaller than the opening in keratoconic myopia and astigmatism. All surgeries were performed by the senior author. Average age of the patients was 41.1 years. Average follow-up was 1.6 years. After all sutures were removed, results showed an average decrease in myopia of 13.24 diopters (D) (range 1.75 to 23.25) principally from corneal flattening and a small reduction in axial length. Average postoperative spherical equivalent was -2.17 D (range +1.50 to -7.25). The average postoperative astigmatism was 3.78 D (range 1.75 to 6.00). This study and a previous retrospective study suggest that the use of grafts 0.25 mm smaller than the opening, i.e., 7.50/7.75 mm, for penetrating keratoplasty in keratoconus is justified.

引用

页码：380 / 384

页数：5

共 10 条

[1]

Girard LJ, Eguez I, Esnaola N, Et al., Effect of penetrating keratoplasty using grafts of various sizes on keratoconic myopia and astigmatism, J Cataract Refract Surg, 14, pp. 541-547, (1988)

[2]

Perry HD, Foulks GN, Oversize donor buttons in corneal transplantation surgery for keratoconus, Ophthalmic Surg, 18, pp. 751-752, (1987)

[3]

Wilson SE, Bourne WM, Effect of recipient-donor trephine size disparity on refractive error in keratoconus, Ophthalmology, 96, pp. 299-305, (1989)

[4]

Troutman RC, Astigmatic consideration in corneal grafts, Ophthalmic Surg, 10, 5, pp. 21-26, (1979)

[5]

Judge D, Gordon L, Vander Zwagg R, Wood TO, Refractive versus keratometric astigmatism postkeratoplasty, Refract Corneal Surg, 6, pp. 174-178, (1990)

[6]

Olson RJ, Corneal curvature changes associated with penetrating keratoplasty: a mathematical model, Ophthalmic Surg, 11, pp. 838-842, (1980)

[7]

Olson RJ, Transplant: graft sizing and astigmatism, Trans Pacific Coast Oto-Ophthalmol Soc, 62, pp. 135-140, (1981)

[8]

Olson RJ, Kaufman HE, A mathematical description of causative factors and prevention of elevated intraocular pressure after keratoplasty, Invest Ophthalmol Vis Sci, 16, pp. 1085-1092, (1977)

[9]

Girard LJ, Rodriguez J, Mailman ML, Reducing surgically induced astigmatism by using a scleral tunnel, Am J Ophthalmol, 97, pp. 450-456, (1984)

[10]

Musch DC, Meyer RF, Sugar A, The effect of removing running sutures on astigmatism after penetrating keratoplasty, Arch Ophthalmol, 106, pp. 488-492, (1988)

← 1 →