Tactile Low Vision Labeling of Ophthalmic Drops

IInclusion Criteria: Phase I: * Candidates will be healthy adults between 18 and 100 years of age * Candidates will complete the consent briefing and consent documents prior to participating in any study activities. * Phase II:Inclusion Criteria: * Candidates will be between 50 and 100 years of age. * Candidates will have a BCVA equal to or less than 20/70 or have central vision field less than 20 degrees. * Candidates will complete the consent briefing and consent documents prior to participating in any study activities. Exclusion Criteria: Phase I: * Candidates who do not complete the consent briefing and indicate consent through completion of consent documents with or without a witness (as indicated by their ability to read the documents for themselves out loud with whatever optical assistance necessary (large print, magnification, optical correction, etc.), prior to any study activity, will not be included in this study. * History of prior non-compliance or the presence or history of psychiatric condition (including drug or alcohol addiction) that would, in the opinion of the investigator, make it difficult for the subject to comply with the study procedures or follow the investigators instructions. Phase II; * Candidates under 50 years or older than 100 years of age will be excluded. * Candidates with a BCVA better than 20/70 or have central vision field greater than 20 degrees, will be excluded. * Candidates with comorbidities that in the opinion of the investigator confound their ability to complete the assessments in this study (ie. Advanced neuropathy of the hands, dementia, or mental incapacity) will be excluded. * Candidates who do not complete the consent briefing and indicate consent through completion of consent documents with or without a witness (as indicated by their ability to read the documents for themselves out loud with whatever optical assistance necessary (large print, magnification, optical correction, etc.), prior to any study activity, will not be included in this study. * History of prior non-compliance or the presence or history of psychiatric condition (including drug or alcohol addiction) that would, in the opinion of the investigator, make it difficult for the subject to comply with the study procedures or follow the investigators instructions.