Tecnis Eyhance Vs Rayner RayOne
Research type
Research Study
Full title
Visual and Optical outcomes after bilateral implantation of Tecnis Eyhance versus Rayner RayOne aspheric in patients undergoing routine cataract surgery
IRAS ID
265849
Contact name
Mayank Nanavaty
Contact email
Sponsor organisation
Brighton & Sussex University Hospitals NHS Trust
Duration of Study in the UK
1 years, 0 months, 3 days
Research summary
Cataract surgery involves replacing milky lens with a plastic intraocular lens. This plastic lens can be either monofocal (fixates for distance or near without glasses), extended depth of focus (EDOF)(fixates for intermediate and distance vision only without glasses) or multifocal lenses (fixates for distance, intermediate and near vision without glasses). However, EDOF and multifocal lenses are known to produce glare and halos. \nTecnis Eyhance is a monofocal IOL which give added intermediate vision without employing EDOF or multifocal technology and hence induces no glare and halos. Whereas monofocal IOLs such as RayOne do not give intermediate vision. The objective is to assess visual and optical performance of Tecnis Eyhance versus Rayner RayOne in a prospective, randomized, comparative bilateral study. \nThe proposed study will be the first study comparing the new technology monofocal Eyhance with conventional RayOne Rayner lens to assess the added benefits of Eyhance technology at multiple visits until 3 months after the surgery. Patients attending the clinics with cataracts will be invited to participate in this randomised study. They will be randomised to receive either Eyhance or RayOne in both eyes through surgeries performed not more than 2 weeks apart. The patients will be followed up at 1 and 3 months in the research clinic to assess the uniocular and binocular vision, spectacle prescription, a simple non-invasive scan to look at any distortions in the optics of the eye (wavefront aberrometry) and questionnaire for assessing subjective outcomes, glare and halos.
REC name
South West - Frenchay Research Ethics Committee
REC reference
19/SW/0154
Date of REC Opinion
15 Oct 2019
REC opinion
Further Information Favourable Opinion