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Br J Ophthalmol 86:616-619 doi:10.1136/bjo.86.6.616
  • Scientific correspondence

A new technique for tear film fluorophotometry

Table 1

Fluorescein concentrations used versus corresponding values obtained by the Fluorotron Master

Concentration within the artificial chamber (%) Concentration within the artificial chamber (ng/ml) Concentration as measured by the Fluorotron Master (ng/ml)
0.005 50 000 482
0.006 60 000 579
0.007 70 000 622
0.008 80 000 770
0.009 90 000 862
0.01 100 000 1115
0.02 200 000 2404
0.03 300 000 3441.5
0.04 400 000 3999.5
0.05 500 000 4907

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