The Prospective Health Assessment of Cataract Patients’ Ocular Surface (PHACO) study: the effect of dry eye

Figures & data

Table 1 Incidence of dry eye as evaluated by ITF

ITF level	Number of patients	Percentage of cohort
0	34	25
1	27	19.9
2	36	26.5
3	39	28.7
4	0	0

Abbreviation: ITF, International Task Force.

Table 2 TBUT, Schirmer’s score, and staining scores*

Testing method	Number of eyes N=272	Percentage of eyes
TBUT (n=268)
≤5 seconds	171	62.9
>5 seconds	97	35.6
Missing	4	1.5
Schirmer’s scores (n=272)
≤5 mm	58	21.3
≤10 mm	214	78.7
Corneal staining (fluorescein) (n=271)
Positive	209	76.8
Negative	62	22.8
Missing	1	0.4
Central staining (fluorescein) (n=271)
Positive	136	50
Negative	135	49.6
Missing	1	0.4
Conjunctival staining (lissamine) (n=271)
Mean	0.92
Standard deviation	0.61
Minimum	0
Maximum	2.8

Note:

* Not all patients completed all preoperative corneal testing.

Abbreviation: TBUT, tear break-up time.

Table S1 Dry eye signs and symptoms

Parameter evaluated	n	%
Stinging and burning
Frequency
None of the time	94	69.1
Some of the time	32	23.5
Half of the time	4	2.9
Most of the time	4	2.9
All of the time	2	1.5
How bothered by each symptom? (0=not at all; 4=extremely)
0	90	69.2
1	19	14.6
2	13	10.0
3	5	3.8
4	3	2.3
Dryness
Frequency
None of the time	86	63.2
Some of the time	29	21.3
Half of the time	11	8.1
Most of the time	6	4.4
All of the time	4	2.9
How bothered by each symptom? (0=not at all; 4=extremely)
0	82	63.6
1	23	17.8
2	13	10.1
3	6	4.7
4	4	3.1
Foreign body sensation
Frequency
None of the time	80	59.3
Some of the time	38	28.1
Half of the time	4	3.0
Most of the time	10	7.4
All of the time	3	2.2
How bothered by each symptom? (0=not at all; 4=extremely)
0	75	58.1
1	34	26.4
2	8	6.2
3	8	6.2
4	4	3.1
Itching
Frequency
None of the time	73	54.1
Some of the time	47	34.8
Half of the time	12	8.9
Most of the time	1	0.7
All of the time	2	1.5
How bothered by each symptom? (0=not at all; 4=extremely)
0	72	55.0
1	33	25.2
2	19	14.5
3	2	1.5
4	5	3.8
Sensitivity to light
Frequency
None of the time	53	39.6
Some of the time	40	29.9
Half of the time	11	8.2
Most of the time	13	9.7
All of the time	17	12.7
How bothered by each symptom? (0=not at all; 4 =extremely)
0	50	38.5
1	35	26.9
2	26	20.0
3	8	6.2
4	11	8.5
Painful/sore
Frequency
None of the time	107	78.7
Some of the time	21	15.4
Half of the time	5	3.7
Most of the time	1	0.7
All of the time	2	1.5
How bothered by each symptom? (0=not at all; 4=extremely)
0	103	79.2
1	11	8.5
2	10	7.7
3	3	2.3
4	3	2.3
Blurred vision
Frequency
None of the time	46	34.1
Some of the time	50	37.0
Half of the time	11	8.1
Most of the time	14	10.4
All of the time	14	10.4
How bothered by each symptom? (0=not at all; 4=extremely)
0	44	33.6
1	28	21.4
2	30	22.9
3	14	10.7
4	15	11.5
Tired/fatigued eyes
Frequency
None of the time	65	47.8
Some of the time	51	37.5
Half of the time	9	6.6
Most of the time	7	5.1
All of the time	4	2.9
How bothered by each symptom? (0=not at all; 4=extremely)
0	67	50.8
1	31	23.5
2	21	15.9
3	8	6.1
4	5	3.8

Note: Not all eligible patients (N=136) answered every question.