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Brazilian Journal of Otorhinolaryngology

versão impressa ISSN 1808-8694versão On-line ISSN 1808-8686

Resumo

FERREIRA, Maristela Mian et al. Subjective visual vertical with the bucket method in Brazilian healthy individuals. Braz. j. otorhinolaryngol. [online]. 2016, vol.82, n.4, pp.442-446. ISSN 1808-8694.  http://dx.doi.org/10.1016/j.bjorl.2015.08.027.

INTRODUCTION:

The capacity of a healthy individual to estimate the true vertical in relation to the Earth when a fluorescent line is aligned in a completely dark room is called the subjective visual vertical.

OBJECTIVE:

To evaluate subjective visual vertical using the bucket method in healthy Brazilian individuals.

METHODS:

Binocular subjective visual vertical was measured in 100 healthy volunteers, 50 females and 50 males. The volunteers indicated the estimated position in which a fluorescent line inside a bucket reached the vertical position. A total of ten repetitions were performed, five clockwise and five counterclockwise. Data were tabulated and analyzed statistically.

RESULTS:

It was observed that the highest concentration of absolute values of vertical deviation was present up to 3°, regardless of gender, and the vertical deviation did not increase with age. The analysis of the mean of the absolute values of deviations from the vertical of 90% of the sample showed a maximum value of 2.6°, and at the analysis of 95%, the maximum value was 3.4° deviation from the vertical.

CONCLUSION:

The bucket method is easy to perform and interpret when assessing the deviation of the subjective visual vertical in relation to the true vertical in healthy Brazilian individuals.

Palavras-chave : Ear; Postural balance; Otolithic membrane.

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