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Use LARS to determine the final prescription: 

1. Spectacle Rx: -2.50 -1.25 x130, Trial Lens -2.50 -1.00 x180. Rotation: 30 degrees CCW.: -2.50 -1.00 x100

2. Spectacle Rx: -2.50 -1.25 x130. Trial Lens -2.50 -1.00 x180. Rotation: None: -2.50 -1.00 x130

3. Spectacle Rx: -2.50 -1.25 x130. Trial Lens -2.50 -1.00 x180. Rotation: 7o'clock: -2.50 -1.00 x160. 

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