Differences
This shows you the differences between two versions of the page.
| Next revision | Previous revision | ||
| accommodative_convergence_to_accommodation_ratio [2016/03/23 14:34] – created Scott Larson | accommodative_convergence_to_accommodation_ratio [2025/04/18 20:40] (current) – external edit 127.0.0.1 | ||
|---|---|---|---|
| Line 3: | Line 3: | ||
| ===== Gradient Method ===== | ===== Gradient Method ===== | ||
| - | * = Change in deviation / change in accommodation | + | * Ratio = Change in deviation / change in accommodation |
| * Fixation distance is fixed. | * Fixation distance is fixed. | ||
| * Measure deviation with and without a modifying lens | * Measure deviation with and without a modifying lens | ||
| * The lens is changing the amount of accommodation | * The lens is changing the amount of accommodation | ||
| * **Stimulate Accommodation** | * **Stimulate Accommodation** | ||
| - | * Measure alignment fixating at 6 meters | + | * Measure alignment fixating at 6 meters |
| - | * Remeasure with a -1.00 lens before both eyes | + | |
| * Calculate the difference between the two alignment measures to get the AC/A ratio | * Calculate the difference between the two alignment measures to get the AC/A ratio | ||
| * **Relax Accommodation** | * **Relax Accommodation** | ||
| Line 42: | Line 41: | ||
| * Time | * Time | ||
| * Orthoptics | * Orthoptics | ||
| + | |||
| + | {{tag> | ||