Do Blue-Blocking Lenses Block Blue Colour From Our Lives?

Recruiting

• Source

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  Public Title	Do Blue-Blocking Lenses Block Blue Colour From Our Lives?
  Acronym	Sorry, not currently available
  Source of Record URL	http://clinicaltrials.gov/show/NCT00403143

• Trial

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  Health Condition(s) or Problem	Blindness
  Lay Summary	To measure colour vision in patients with a blue light filtering lens implant in one eye and non-tinted implant in the other eye (and compared this group with a control group with bilateral non-tinted implants) and to determine whether blue light filtering lenses limit colour vision (from ClinicalTrials.gov)
  Who can enter the trial	Inclusion Criteria: - patients who have had uncomplicated cataract surgery in one eye and have a cataract in the other eye - patients who are over 18 years of age - patients who are fully able to independently give consent to have surgery Exclusion Criteria: - patients who have any other ocular co-morbidity that may account for reduction in vision in either eye (as this may confound the condition) - patients who are colour blind - patients who suffered previous post-operative complications - patients under 18
  Who cannot enter the trial	Inclusion Criteria: - patients who have had uncomplicated cataract surgery in one eye and have a cataract in the other eye - patients who are over 18 years of age - patients who are fully able to independently give consent to have surgery Exclusion Criteria: - patients who have any other ocular co-morbidity that may account for reduction in vision in either eye (as this may confound the condition) - patients who are colour blind - patients who suffered previous post-operative complications - patients under 18
  What will happen	Procedure; cataract surgery
  Primary aim	To objectively determine whether colour vision is reduced with a blue-light filtering; intraocular lens compared with a colourless intraocular implant in cataract surgery
  Secondary Aim	To determine whether patients subjectively are able to tell whether they have been; implanted with yellow tinted intraocular lens during their cataract surgery or colourless one
  Participant Information Sheet	Sorry, not currently available
  Website	http://www.nwlh.nhs.uk/research/
  Recruitment Status	Recruiting
  Nation	England
  Location	London

• Contact

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  Contact for Public Queries	Amynah Goawalla, BSc, MBBS MRCOphth 020 963 amynahgoawalla@nwlh.nhs.uk Gillian Vafidis, MA FRCS FRCOphth Study Director North West London Hospitals NHS Trust
  Contact for Scientific Queries	Gillian Vafidis, MA FRCS FRCOphth; Principal Investigator; Amynah Goawalla, BSc MBBS MRCOphth; Sub-Investigator