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Laser epithelial keratomileusis for the treatment of refractive errors after cataractlens implantation:a stability evaluation / 中国组织工程研究
Chinese Journal of Tissue Engineering Research ; (53): 445-449, 2015.
Article in Chinese | WPRIM | ID: wpr-462242
ABSTRACT

BACKGROUND:

After cataract extraction and intraocular lens implantation, some patients stil appear to suffer from refractive errors to varying degrees. In this case, excimer laser epithelial keratomileusis or excimer laser in situ keratomileusis can be used for correction of refractive errors.

OBJECTIVE:

To observe the therapeutic effect of excimer laser epithelial keratomileusis on the treatment of residual refractive errors after cataract extraction and intraocular lens implantation.

METHODS:

Thirty-eight patients with refractive errors (45 eyes) who had received cataract extraction and intraocular lens implantation were enroled, including 22 males and 16 females. Patient’s age was 24-74 years, and the central corneal thickness ranged 490-590μm. Before laser epithelial keratomileusis, the uncorrected visual acuity and corrected visual acuity were 0.1-0.3 and 0.6-1.0, respectively. The uncorrected visual acuity, best corrected visual acuity, diopter, and intraocular pressure were observed at 12 months after correction. RESULTS AND

CONCLUSION:

Most of the patients had foreign body sensation, pain and other symptoms of eye irritation at 3-6 postoperative hours, and then presented with eye pain, photophobia, tearing and other symptoms of corneal irritation with 2 days after surgery. The corneal epithelium healed basicaly at 7 days after surgery, and the vision recovered to top after about 20 days. After 12 months, the uncorrected visual acuity was 0.6-1.2,≥ 0.6 in al eyes,≥ 1.0 in 26 eyes (58%) and reached or exceeded the preoperative best corrected visual acuity in 35 eyes (78%). After surgery, the spherical degree was decreased from -2.5 m-1 to 0.5 m-1, and the cylinder degree was reduced from-3.85 m-1 to -0.53 m-1. High intraocular pressure occurred in 12 eyes, and 0.5-level corneal haze formed in 5 eyes. The results demonstrate that the excimer laser epithelial keratomileusis is safe and effective for treatment of refractive errors after cataract extraction and intraocular lens implantation.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Tissue Engineering Research Year: 2015 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Tissue Engineering Research Year: 2015 Type: Article