Appendix 1.
Details of yoga-based ocular exercise practiced by the subjects
| Name of exercise | Steps involved | Synchronization with breathing |
|---|---|---|
| Eye-ball movement | Toward right | With exhalation |
| Toward center | With inhalation | |
| Toward left | With exhalation | |
| Palming | Palm rubbing | |
| Palm on eyes | ||
| Eye-ball movement | Upward | With exhalation |
| Toward centre | With inhalation | |
| Downward | With exhalation | |
| Palming | Palm rubbing | |
| Palm on eyes | ||
| Eye-ball movement | Clockwise | Exhalation (during downward movement) + inhalation (during upward movement) |
| Centre | ||
| Anti-clockwise | Exhalation (during downward movement) + inhalation (during upward movement) | |
| Palming | Palm rubbing | |
| Palm on eyes | ||
| Accommodation exercise | Thumb in front of nose between the eyes | Inhalation with near point gaze |
| Exhalation with distant point gaze | ||
| Palming | Palm rubbing | |
| Palm on eyes | ||
| Accommodation exercise | Thumbs on folded knees | Inhalation while gaze fixed on right thumb |
| Exhalation while gaze fixed on distant point | ||
| Inhalation while gaze fixed on left thumb | ||
| Palming | Palm rub | |
| Palm on eyes | ||
| Accommodation exercise | Gaze fixed on left thumb while it moves toward and away from the subject in front of nose between the eyes | Inhalation while thumb moves toward the subject |
| Exhalation while thumb moves away from the subject | ||
| Palming | Palm rubbing | |
| Palm on eyes | ||
| Accommodation exercise | Gaze fixed on right thumb while it moves toward and away from the subject in front of nose between the eyes | Inhalation while thumb moves toward the subject |
| Exhalation while thumb moves away from the subject | ||
| Palming | Palm rubbing | |
| Palm on eyes | ||
| Figure of eight | Vertical | Inhalation when going away from centre and exhalation when moving toward the centre |
| Horizontal | ||
| Palming | Palm rubbing | |
| Palm on eyes |