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Does the femtosecond laser-assisted phacoemulsification increase IOP on postoperative day 1 compared to conventional phacoemulsification?

Session Details

Session Title: Femtolaser Cataract Surgery

Session Date/Time: Tuesday 08/10/2013 | 14:00-16:15

Paper Time: 15:55

Venue: Auditorium (First Floor)

First Author: : H.Sandoval USA

Co Author(s): :    K. Solomon              

Abstract Details


To compare the intraocular pressure (IOP) between patients undergoing femtosecond laser assisted phacoemulsification and conventional surgery on day 1 after the surgical procedure.


Carolina Eyecare Physicians, Charleston, SC, USA


Retrospective chart review of patients that underwent routine, uneventful phacoemulsification between August and December 2012. The reviewed charts were divided in two groups: femtosecond laser assisted and conventional cataract surgery. All variables (age, preoperative and postoperative IOP) passed the normality test (Shapiro-Wilk test, P > 0.05); therefore, statistical analysis comparing the 2 groups was done using t-test. A P < 0.05 was considered statistically significant.


A total of 185 eyes of 119 subjects were included. One hundred and seven eyes had femtosecond laser assisted cataract surgery and the remaining 78 underwent conventional surgery. Mean age was 68.9 ±6.1 (Range 57 to 85) in the femtosecond group and 70.6 ±7.1 years (Range 55 to 87) in the conventional group (P < 0.076). Mean preoperative IOP was 14.5 ±3.4 mmHg (Range 7 – 25) and 14.7 ±3.6 mmHg (Range 6 – 23) in the Femtosecond and conventional group, respectively (P < 0.756). Postoperative day 1, mean IOP = 21.4 ±8.5 mmHg (Range 8 – 58) in the laser group compared to 22.7 ± 7.1 mmHg (Range 8 – 45) in the conventional group (P < 0.278). No statistically significant differences in IOP were observed among the groups. In the laser group, 3.7% of the eyes (4) required anti-glaucoma drops due to IOP higher than 32 mmHg while 5.1% of the eyes (4) in the conventional group needed treatment. Furthermore, an additional 3.7% (4) and 3.8% (3) of eyes presented an IOP greater than 40 mmHg that required burping in the Femtosecond and conventional group, respectively.


The use of femtosecond laser during routine phacoemulsification did not show an increased IOP during postoperative day 1 compared to conventional phacoemulsification.

Financial Interest:

... receives consulting fees, retainer, or contract payments from a company producing, developing or supplying the product or procedure presented

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