Low Vision, Photophobia, Visual Impairment
Conditions
Brief summary
To assess the use of contact lenses with transitions technology to improve glare, light sensitivity and overall visual comfort in patients with visual impairment.
Detailed description
Acuvue Oasys Contact Lenses with Transitions Light Intelligent Technology can adapt to the amount of visible light in the environment, darkening the lenses in bright sunlight, and returning to regular tint in normal or dim environment. Purpose of this study is to assess whether individuals with visual impairment may benefit from these lenses to minimize glare, light sensitivity symptoms and improve the overall visual comfort.
Interventions
DEVICEAcuvue Oasys with Transitions
soft contact lenses with darkening technology
Sponsors
American Academy of Optometry
Nova Southeastern University
Study design
Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
18 Years to 64 Years
Healthy volunteers
No
Inclusion criteria
* Ability to give informed consent * Able to speak and read English * Experience glare and light sensitivity that impacts patient's daily living activities * Have confirmed diagnosis of ocular condition including but not limited to Stargardt's, Cone dystrophy, Cone-rod dystrophy, Albinism, Retinitis Pigmentosa and Achromatopsia. * Willing and able to wear the contact lenses as instructed
Exclusion criteria
* Are pregnant, nursing or planning to become pregnant during the course of the study * Have current/recent ocular infection, inflammation, surgery in the past 3 months that contraindicates contact lens wear
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Glare test | Measure change from baseline at the 6 week follow-up visit | Measure visual acuity and contrast sensitivity with or without illumination source |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Visual Activities Questionnaire on Glare and Light sensitivity visual functions | Measure change from baseline at the 6 week follow-up visit | Patient will rate 7 questions on scale ranges from 1-5, higher score indicates more symptoms related to glare and light sensitivity during daily living tasks. Max value 35 |
Countries
United States
Outcome results
None listed