The Incidence of Post Phacoemulsification Surgery Induced Dry Eye Disease in Upper Egypt

Figures & data

Figure 1 Schirmer test I at right eye of female patient that showed value of less than 15mm at 1st week postoperative.

Figure 2 TBUT of right eye of male patient, that showed normal result more than 10 sec preoperative and abnormal result less than 10 sec only at 1st week postoperative.

Table 1 Demographic Data of the Studied Population

	Descriptive Statistics
Age (years); N (%)
<55	30 (30.00)
55–70	44 (44.00)
>70	26 (26.00)
Total	100 (100.00)
Mean ±SD	63.02 ±10.3
Range (Maximum – Minimum)	(80–45)
Gender; N (%)
Female	46 (46.00)
Male	54 (54.00)

Table 2 Pre-Operative Assessment of Eye Dryness

	Test	Minimum	Maximum	Mean ±SD
1-	Schirmer test 1 “mm”	17.00	26.00	19.86 ±1.9
2-	Tear film break-up time “sec”.	11.00	18.00	13.90 ±1.6

Table 3 Patients’ Sequential Changes in Dry Eye Tests Over Time; (N= 100)

Test	Mean ±SD				Overall P-value
	Pre-Operative	1 Week Post-Operative	4 Weeks Post-Operative	12 Weeks Post-Operative
Schirmer 1 test	19.86 ±1.9	15.44 ±3.4	17.30 ±2.5	18.54 ±1.9	<0.001
TBUT	13.90 ±1.6	10.84 ±2.4	12.04 ±1.5	12.78 ±1.5	<0.001

Note: P-value< 0.05 is significant.

Table 4 Comparison of P-values for Patients’ Sequential Changes in Dry Eye Tests Over Time; (N= 100)

	Pre-Operative	1 Week	4 Weeks	12 Weeks
Schirmer test I
Pre-operative
1 week	0.001
4 weeks	0.001	0.001
12 weeks	0.010	0.001	0.016
Tear film break-up time
Pre-operative
1 week	0.001
4 weeks	0.001	0.001
12 weeks	0.002	0.001	0.042

Table 5 Frequency of Post-Operative Dry Eye

		Frequency	Percent
	Normal	78	78.0
	Dry Eye	22	22.0
	Total	100	100.0

Table 6 Association Between Gender and Eye Dryness

		Gender		Total	p-value
		Female N= 46	Male N= 54
Postoperative Eye Dryness	Normal	34 (73.9%)	44 (81.5%)	78 (78.0%)	0.780
	Dry Eye	12 (26.1%)	10 (18.5%)	22 (22.0%)

Note: P-value< 0.05 is significant.

Table 7 Association of Age and Postoperative Dry Eye

Patients’ Age		Normal Eye	Dry Eye	Total	Chi-Square	P-value
<55	Count	28	2	30	6.66	0.036
	%	35.9%	9.1%	30.0%
55–70	Count	36	8	44
	%	46.2%	36.4%	44.0%
>70	Count	14	12	26
	%	17.9%	54.5%	26.0%
Total	Count	78	22	100
	%	100.0%	100.0%	100.0%

Note: P-value< 0.05 is significant.

Table 8 Correlation Between Post Phacoemulsification Dry Eye Assessment and Patients’ Age

Test	Patients’ Age
	R	p-value
Schirmer 1 test	−0.452	0.001
Tear film break-up time	−0.392	0.005

Note: P-value< 0.05 is significant.