Visual Outcomes for Toric Efficacy Study (VOTE)

University of Houston

Status

Completed

Conditions

Myopia

Astigmatism

Treatments

Device: Contact lenses (Orthokeratology)

Device: Contact lenses (Soft Multifocal)

Study type

Interventional

Funder types

Other

Identifiers

NCT03728218

STUDY00001070

Details and patient eligibility

About

This is a crossover study of two types of contact lenses (toric orthokeratology and soft multifocals). Primary aims are to quantify correction of astigmatism, subjective and objective visual performance, aberrometry, peripheral refraction and bacterial bioburden between toric orthokeratology and soft toric multifocal contact lenses.

Enrollment

34 patients

Sex

All

Ages

18 to 39 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

18 to 39 years of age (inclusive)
Able to read and understand the study informed consent
Plano to -5.00 D (inclusive) vertex corrected sphere power in each eye
1.25 to -3.50 D (inclusive) vertex corrected astigmatism in each eye
Best corrected acuity of 20/25 or better in each eye
No history of ocular pathology or surgery
No significant binocular vision or accommodation abnormality (i.e. strabismus, amblyopia)
No gas permeable lens wear for at least 1 month
No systemic or ocular contraindications for contact lens wear
Not pregnant/lactating (by self-report)

Exclusion criteria

Adults unable to consent
Individuals who are not yet adults (infants, children, teenagers)
Prisoners
Students for whom one of the principal investigators have direct access to/influence on grades would be consented and seen by another investigator for all visits.
Pregnant/lactating women (by self-report)