Soft Contact Lens Fitting With Different Sagittal Height

Tianjin Eye Hospital

Status: Enrolling

Conditions: Myopia

Treatments: Device: Soft lens

Study type: Interventional

Funder types: Other

Identifiers

NCT05962528

KY2023024

Details and patient eligibility

About

To evaluate whether there is a difference in subjective and objective fit of soft lenses with different sagittal height

Enrollment: 60 estimated patients

Sex: All

Ages: 18 to 50 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• Age more than 18 years
• No active eye disease
• 5 soft lenses for the experiment can be successfully worn and all examinations can be completed as required

Exclusion criteria

• Active eye disease
• BCVA less than 20/25
• Those who are too small or tight eyelids are not suitable for wearing soft lenses

Trial design

Primary purpose: Other

Allocation: Randomized

Interventional model: Crossover Assignment

Masking: Double Blind

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60 participants in 5 patient groups, including a placebo group

Type 1 group

Experimental group

Description:

Toric soft lens with high sagittal height

Treatment:

Device: Soft lens

Type 2 group

Experimental group

Description:

Toric soft lens with low sagittal height

Treatment:

Device: Soft lens

Type 3 group

Experimental group

Description:

Spherical soft lens with high sagittal height

Treatment:

Device: Soft lens

Type 4 group

Experimental group

Description:

Spherical soft lens with low sagittal height

Treatment:

Device: Soft lens

Control group

Placebo Comparator group

Description:

Traditional spherical soft lens

Treatment:

Device: Soft lens