Dry eye syndrome and cataract surgery
2019
Introduction. Dry eye syndrome has become a common problem after ocular
surgeries with a significant impact on the quality of life. Many patients,
who have undergone cataract surgery, postoperatively developed dry eye
symptoms. Dry eye syndrome is one of the risk factors associated with
cataract surgery. Material and Methods. The prospective study included 80
patients. We recorded the self-reported dry eye symptoms, the values of
Schirmer test, tear breakup time, and best corrected visual acuity
preoperatively, as well as 7 days and 1 month after the surgery. Results. A
total of 80 patients were included in the study, 45 (56.2%) females and 35
(43.8%) males. The mean age of patients was 61.5 years (SD ± 6.2, range 57 -
70 years). The best corrected visual acuity at the time of surgery was 0.4
or less in 70 patients (87.5%). Most patients reported a significant
improvement in visual acuity after surgery; 68 (85%) eyes achieved a best
corrected visual acuity of 0.5 or higher (median 0.7; range 0.5 - 1.0). The
mean tear breaking time in cataract patients before surgery was 12.4 sec, 7
days after the surgery it was 8.2 sec (p < 0.05) and 1 moth after the
surgery 11.1 sec. The majority of patients had mild (47.5%) and moderate
(33.75%) Schirmer test values. Dry eye with wetting < 5 mm after 5 minutes
was found in 16.2% of patients before cataract surgery; 7 days after the
surgery (p < 0.05) it was found in 23.75% of patients and one month after
surgery 11.1 sec. A foreign body sensation and watery eye were the most
reported symptoms before cataract surgery. Seven days after the surgery
foreign body sensation was present in 48.75% and watery eyes in 40% of
patients. Conclusion. Significant increase in dry eye symptoms after
cataract surgery was found with increasing age. Self reported dry eye
problems are more common in patients with lower Schirmer test and best
corrected visual acuity values before cataract surgery. Patients with
concomitant dry eye disease require preoperative and postoperative treatment
of dry eye to prevent aggravation of the existing symptoms that may affect
the visual outcome after cataract surgery.
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