Determining the correct orientation of a contact lens before insertion is crucial for optimal comfort and vision. An inside-out lens can cause discomfort, blurred vision, and potential irritation to the eye. This determination relies on observing specific visual cues inherent in the lens’s shape and markings.
Accurate lens orientation prevents unnecessary discomfort and ensures the lens sits properly on the cornea, maximizing visual clarity. Historically, identifying lens orientation relied solely on visual inspection. Contemporary lenses may incorporate subtle markings to facilitate easier identification, improving user experience and reducing insertion errors.