Soft Contact Lens Fitting With Different Sagittal Height

Not Applicable

Recruiting

• Conditions: Myopia
• Interventions: Device: Soft lens

• Registration Number: NCT05962528
• Lead Sponsor: Tianjin Eye Hospital

Brief Summary

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

Detailed Description

Not available

Study Timeline

• Study Start: 2023-04-01
• Status Verified: 2023-07
• Primary Completion: 2023-07-01
• Study First Submitted: 2023-07-16
• Study First Submitted QC: 2023-07-26
• Last Update Submitted: 2023-07-26
• Study First Posted: 2023-07-27
• Last Update Posted: 2023-07-27
• Study Completion: 2024-12-01

Recruitment & Eligibility

• Status: RECRUITING
• Sex: All
• Target Recruitment: 60

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

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: CROSSOVER

Arm && Interventions

Group	Intervention	Description
Type 2 group	Soft lens	Toric soft lens with low sagittal height
Type 3 group	Soft lens	Spherical soft lens with high sagittal height
Control group	Soft lens	Traditional spherical soft lens
Type 1 group	Soft lens	Toric soft lens with high sagittal height
Type 4 group	Soft lens	Spherical soft lens with low sagittal height

Primary Outcome Measures

Name	Time	Method
Subjective questionnaire	1 day (Once time after wearing the soft lens)	The subjective questionnaire is a visual quality questionnaire developed by combining previous research and clinical symptoms, including whether there is foreign body sensation, pain, dry eyes, etc.The score ranges from 0 to 4, with the higher the score, the more obvious the symptoms

Trial Locations

Locations (1)

Tianjin Eye Hospital; 🇨🇳 Tianjin, China