Table 2.

Mean values and SD for the gain and the variability in the vergence tests.

	First test first session	Last test first session	First test fifth session	Last test fifth session
CONVERGENCE
Mean gain value	0.68* (±0.2)	0.66* (±0.2)	0.92* (±0.2)	0.94* (±0.17)
Mean variability value	37 (±23)	29* (±22)	14 (±6)	13* (±6)
DIVERGENCE
Mean gain value	0.57 (±0.22)	0.69* (±0.13)	0.75+ (±0.11)	0.81+* (±0.14)
Mean variability value	36* (±30)	17* (±10)	14* (±7)	13* (±11)

^*Significant long term effect (between beginning of the 2 sessions or between end of the 2 sessions).

⁺Significant short term effect (between the first and the second attempt of one session).