Evaluation of the adjustment of low vision aids in patients with visual impairment due to corneal diseases

Phase 4

Recruiting

• Conditions: H17.1; H18.6; Other central corneal opacity; Keratoconus

• Registration Number: DRKS00010887
• Lead Sponsor: niversitätsklinikum Essen

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2016-08-09
• Last Update Posted: 2024-08-19

Recruitment & Eligibility

• Status: Recruiting
• Sex: All
• Target Recruitment: 30

Inclusion Criteria

1. Corneal dystrophies or corneal scars after chemical/ thermal burns or corneal damage induced by ocular GvHD or limbal stem cell deficiency
2. Or Keratoconus which cannot be treated by contact lens
3. Best corrected visual acuity (BCVA) = 0,3 in the better eye
4. Fluent german
5. No Intention of corneal transplantation (PKP, DMEK, DSAEK etc.), amnion membrane transplantation and/or limbal stem cell transplantation
6. Written informed consent

Exclusion Criteria

1. Nystagmus
2. Analphabetism
3. Diagnosed depression
4. Intended corneal transplantation
5. Function loss because of other diseases of retina, the optical nerve and vitreous body
6. Uncontrolled pathological intraocular pressure

Study & Design

• Study Type: interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Assessment of the LVA (Low Vision Aid) with the highest reading Speed using International reading Speed text (IReST) in patients with visual impairment due to corneal diseases<br>

Secondary Outcome Measures

Name	Time	Method
• Evaluate costs, problems and user behaviour of patients with corneal diseases<br>related to LVAs (LVAQ-15)<br>• Evaluate ability to perform tasks daily living in patients with corneal diseases (CAARV)