Neurolens and Contact Lens Discomfort

Inclusion Criteria: * Uncomfortable soft contact lens wearers (CLDEQ-8 ≥ 17 points) * Adult, pre-presbyopic age range (18 - 35 years) * Visual acuity of 20/25 or better in each eye with habitual contact lenses * Soft, spherical or low toric, single vision soft contact lens wearer: * Habitual contact lens sphere power -0.75 D or more myopic * Habitual contact lens are spherical design or have 1.75 D or less of cylinder correction * Habitual soft contact lenses are single vision design * Valid contact lens prescription at the date of the baseline * No significant subjective over-refraction in either eye with habitual soft contact lenses * No significant subjective over-refraction in either eye with habitual soft contact lenses * Sphere: ≤ 0.50 D myopia, ≤ 0.50 D hyperopia * Cylinder: ≤ 0.75 D * Valid measurement on the neurolens® Measurement Device (nMD2) * A numerical neurolens value * No low Measurement Quality Index (MQI) \< 0.8 or convergence excess Exclusion Criteria: * History of ocular surgery * History of ocular disease, amblyopia, strabismus, or vision therapy * History of neurolens or prism spectacle correction * History of significant vertical phoria or vertical phoria correction * Current ocular medication use * Significant signs of dry eye: * \> Grad 1 ocular surface staining * Schirmer scores \< 7 mm * Tear break up time \< 7 seconds * Signs of inappropriate fit or surface of soft contact lenses * Insufficient movement centration,…