Low-cost vision intervention delivers a 337% return on investment over three months; Shahi Exports to extend vision screening to more than 100,000 workers Correcting the near vision of garment factory workers with eyeglasses increased their productivity by approximately 6%, according to a landmark randomised controlled trial conducted in India and published in the British Journal of … Continue reading Vision Spring Workplace Intervention Lifts Garment Worker Productivity by 6%, Landmark India Study Finds