Fig 1.
Measurement of the cervical spine extension angle.
The cervical spine extension angle (a) is defined as the angle formed by the line connecting the perpendicular to the chair and the parietal auricle.
Table 1.
Demographics of the enrolled patients.
Table 2.
Comparison of demographics and vision-related parameters between the instillation failure group and the success group.
Fig 2.
Correlation between NEI-VFQ25 score and rate of instillation failure.
Patients belonging to the success group showed significantly higher scores than those in the failure group except for items with* (Mann-Whitney T-test). The number in parentheses represents the item number. NEI-VFQ 25: National Eye Institute Visual Function Questionnaire 25.
Table 3.
Results of the multivariate logistic regression analysis.
Fig 3.
Correlation between NEI-VFQ 25 and DASH examinations.
NEI-VFQ 25: National Eye Institute Visual Function Questionnaire 25, DASH: Disabilities of the Arm, Shoulder and Hand.