Abstract
Objective To evaluate the safety and stability of implantable collamer lens/toric implantable collamer lens(ICL/TICL)implantation for the treatment of high myopia by observing the intraocular pressure, corneal endothelial count, central vault, crystalline lens and retina of high myopia after implanting ICL/TICL. Methods By using prospective self-controlled comparison, 40 cases (80 eyes) with high myopia received ICL/TICL implantation in our hospital from January 2013 to February 2016 were enrolled. The intraocular pressure, corneal endothelial cells, central vault, crystalline and retina were observed before operation and 2 years after operation. All data were statistically analyzed. Results ⑴ Before operation and 2-hour, 1-day, 1-week, 1-month, 3-month and 6-month after operation, the average intraocular pressure were (16.2±2.4)mmHg, (21.1±3.5)mmHg, (19.7±2.7)mmHg, (17.5±1.9)mmHg, (16.9±3.1)mmHg, (16.0±2.8)mmHg, and (16.1±1.6)mmHg, respectively. There was no statistically significant difference (P>0.05). ⑵ Before operation and 1-month, 1-year and 2-year after operation, the corneal endothelial cells were (2 826.4±163.3)/mm2, (2 775.3±192.7)/mm2, (2 803.5±177.4)/mm2, and (2 783.2±169.8)/mm2, respectively. There was no statistically significant difference (P>0.05). ⑶ Before operation and 1-month, 3-month, 6-month, 1-year and 2-year after operation, the average central vault value were (0.56±0.19)mm, (0.57±0.16)mm, (0.53±0.12)mm, (0.55±0.15)mm, and (0.51±0.18)mm, respectively. There was no statistically significant difference (P>0.05). ⑷ Anterior subcapsular opacity in 1 eye at postoperative 6-month was observed, and did not develop thereafter. ⑸ There were no severe retinopathy in all eyes after operation. Conclusions ICL/TICL implantation is a good choice for the treatment of high myopia without any serious complications, and also maintain stable long term clinical effect. Key words: Myopia/SU; Phakic intraocular lenses
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