Background Nike MAX SIGHT^^ Grey-Green contact lenses claim to enhance visual performance in golf by reducing brightness and glare. The grey-green tint is designed to enhance the details of the environment, such as green grass. A critical aspect of golf performance is putting. This study compares golf putting performance with MAXSIGHT and clear contact lenses.
Methods Study participants consisted of a cohort of 3 1 high level golfers with single digit handicaps. Each subject completed a four hole putting course using Bausch & Lomb Optima 38 clear contact lenses and Nike MAX SIGHT^^ contact lenses. Subjects completed two putts from four positions at each hole; the four putts were setup within a 30-degree arc at each hole. At each hole, the putt directions were oriented at different directions relative to the sun, e.g., north, south, east, and west. The sequence was randomized and the subject's performance was recorded. During and after the study, subjective questionnaires were given to each participant to evaluate the contact lens modalities and their respective performance.
Results Chi-square analysis of the putting results was performed to compare contact lens performance. Subjective responses were also analyzed to assess perceived differences between contact lens modalities. Results indicated that there was no statistically significant difference in putting performance between contact lens modalities. Statistically significant differences were observed in the subjective responses revealing that Nike MAX SIGHT^^ contact lenses were preferred for visual comfort and performance.
Conclusion Although actual putting perfomancc showed no statistidly significant difference between the two modalities, Nike MAXSTGF Grey-Green lenses were perceived to improve the golfer" ability to read the green, Nike MAXSTOP Grey-Green lenses provided better visual comfort and may impact overaII performance by reducing visual fatigue during play.
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