Table 1.
Tests performed for all the participants.
|
| |
|---|---|
| TEST PARAMETER | PARAMETER MEASURED USING |
|
| |
| Stereopsis | Randot stereotest |
|
| |
| Heterophoria | Cover test Modified Thorington |
|
| |
| Suppression | Modified Thorington (each participant was asked if both the streak and the spotlight were visible to them before starting the test) |
|
| |
| AC/A | Calculated method using the formula: Distance IPD + 0.4 (near phoria – distance phoria) |
|
| |
| Near point convergence | Accommodative target: linear target (6/6) Non-accommodative target: red-green goggles and penlight |
|
| |
| Fusional vergence (NFV and PFV) | Horizontal prisms |
|
| |
| Vergence facility | 12ΔBO/3ΔBI vergence flippers |
|
| |
| Near point of accommodation (monocular and binocular) | Push up test (continuous text chart and N6 target) |
|
| |
| Accommodative facility (monocular and binocular) | Accommodative flippers of +2.00 DS/–2.00 DS |
|
| |