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Effect of Blue Light Filtration on Visual Performance

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Alcon

Status

Completed

Conditions

Cataract

Treatments

Device: Clear clip-on glasses
Device: Blue light filter clip-on glasses

Study type

Interventional

Funder types

Industry

Identifiers

Details and patient eligibility

About

The purpose of this study is to evaluate photostress recovery with blue light filter clip-on glasses among pseudophakes [ie, subjects in which the natural lens of the eye has been replaced with an artificial lens (intraocular lens) during cataract surgery]. This study will enroll subjects previously implanted with no blue light filter intraocular lenses (IOLs) for at least 3 months.

Enrollment

158 patients

Sex

All

Ages

21+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Cataract surgery in both eyes with no blue light filtering intraocular lenses for at least 3 months;
  • Good ocular health;
  • 20/40 or better vision with best correction in both eyes;
  • Willing to provide voluntary consent and sign informed consent form;
  • Able to competently perform testing;
  • Other protocol-defined inclusion criteria may apply.

Exclusion criteria

  • Ocular pathology, degeneration, or media opacity (cloudiness) that could impact study measurements;
  • Other protocol-defined exclusion criteria may apply.

Trial design

Primary purpose

Basic Science

Allocation

Randomized

Interventional model

Crossover Assignment

Masking

Single Blind

158 participants in 2 patient groups

Clear, then Blue Light Filter
Other group
Description:
Clear clip-on glasses first, followed by blue light filter clip-on glasses, as worn over habitual correction
Treatment:
Device: Blue light filter clip-on glasses
Device: Clear clip-on glasses
Blue Light Filter, then Clear
Other group
Description:
Blue light filter clip-on glasses first, followed by clear clip-on glasses, as worn over habitual correction
Treatment:
Device: Blue light filter clip-on glasses
Device: Clear clip-on glasses

Trial contacts and locations

0

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Data sourced from clinicaltrials.gov

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