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Br J Ophthalmol 84:19-21 doi:10.1136/bjo.84.1.19
  • Original Article
    • Clinical science

Tear secretion and tear film function in insulin dependent diabetics

Table 1

Tear secretion and tear film function

Patients
Mean (SD) 		Controls
Mean (SD) 		p Value
Tear flow (μl/min) 1.1 (0.4) 1.2 (0.5) 0.7
Break up time (s) 18 (10) 16 (11) 0.6
Dry eye symptoms (%) 33 26 —
Schirmer test (mm/5 min) 10 (3) 18 (5) <0.001

  • ↵IDDM patients, n=86.

  • ↵Healthy controls, n=84.

  • ↵Student's t test between patients and controls.

  • ↵See text.

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