Professor Rachel North

2025

• Ryan, B. et al. 2025. Hospital to community in Wales: What is the value of optometrists playing a greater role in managing neovascular AMD and glaucoma in primary care?. Ophthalmic and Physiological Optics 45(1), pp. 280-293. (10.1111/opo.13397)

2024

• Rawlings, A. et al. 2024. The burden of acute eye conditions on different healthcare providers: a retrospective population-based study. British Journal of General Practice 74, pp. e264-e274. (10.3399/BJGP.2022.0616)

2023

• Thomas, R. et al. 2023. IDF2022-0601 Trends in sight and severe sight impairment due to diabetic retinopathy in England Wales from 2010 to 2020. Diabetes Research and Clinical Practice 197, article number: 110541. (10.1016/j.diabres.2023.110541)

2022

• Karas, M., Bartlett, S., Whitaker, A., Sheen, N., North, R. and Ryan, B. 2022. An analysis of glaucoma repeat measures assessment results: Are core competencies enough?. Ophthalmic and Physiological Optics 42(6), pp. 1147-1158. (10.1111/opo.13032)
• Cottrell, P., North, R., Sheen, N. and Ryan, B. 2022. Optometry independent prescribing during COVID lockdown in Wales. Ophthalmic and Physiological Optics 42(6), pp. 1289-1303. (10.1111/opo.13028)
• MacFarlane, E., Carson-Stevens, A., North, R., Ryan, B. and Acton, J. 2022. A mixed-methods characterisation of patient safety incidents by primary eye care practitioners. Ophthalmic and Physiological Optics 42(6), pp. 1304-1315. (10.1111/opo.13030)
• Bartlett, R. L. et al. 2022. Quantifying biomarkers of axonal degeneration in early glaucoma to find the disc at risk. Scientific Reports 12(1), article number: 9366. (10.1038/s41598-022-12036-4)

2020

• Karas, M., Sheen, N. J. L., North, R. V., Ryan, B. and Bullock, A. 2020. Continuing professional development requirements for UK health professionals: a scoping review. BMJ Open 10(3), article number: e032781. (10.1136/bmjopen-2019-032781)

2019

• North, R., Anderson, P., Harris, S., Kenkre, J., Wallace, S. and Wallace, C. 2019. Wet Age Related Macular Degeneration services in the community: A pathfinder evaluation - Final Report. Project Report. Cardiff: Cardiff University.

2017

• Ravenscroft, D., Deng, J., Xie, X., Terry, L., Margrain, T. H., North, R. V. and Wood, A. 2017. AMD classification in choroidal OCT using hierarchical texton mining. Presented at: ACIVS 2017, Antwerp, Belgium, 18-21 Sep 2017 Presented at Blanc-Talon, J. et al. eds.Advanced Concepts for Intelligent Vision Systems, Vol. 10617. Lecture Notes in Artificial Intelligence Cham, Switzerland: Springer pp. 237-248., (10.1007/978-3-319-70353-4_21)
• Thomas, R. L., Luzio, S. D., North, R. V., Banerjee, S., Zekite, A., Bunce, C. and Owens, D. R. 2017. Retrospective analysis of newly recorded certifications of visual impairment due to diabetic retinopathy in Wales during 2007-2015. BMJ Open 7(7), article number: e015024. (10.1136/bmjopen-2016-015024)

2016

• Terry, L. et al. 2016. Automated Retinal Layer Segmentation Using Spectral Domain Optical Coherence Tomography: Evaluation of Inter-Session Repeatability and Agreement between Devices. Plos One 11(9), article number: e0162001. (10.1371/journal.pone.0162001)
• Deng, J., Xie, X., Terry, L., Wood, A., White, N., Margrain, T. H. and North, R. V. 2016. Age-related macular degeneration detection and stage classification using choroidal OCT images. Presented at: ICIAR 2016, Póvoa de Varzim, Portugal, 13-15 Jul 2016 Presented at Campilho, A. and Karray, F. eds.Image Analysis and Recognition: ICIAR 2016, Vol. 9730. Lecture Notes in Computer Science Cham, Switzerland: Springer Verlag pp. 707-715., (10.1007/978-3-319-41501-7_79)
• Ng, A. Y. S., Evans, K. S. E., North, R., Jones, L. and Purslow, C. 2016. Impact of eye cosmetics on the eye, adnexa, and ocular surface. Eye & Contact Lens: Science & Clinical Practice 42(4), pp. 211-220. (10.1097/ICL.0000000000000181)
• Ng, W. S. et al. 2016. Automated registration of multimodal optic disc images: clinical assessment of alignment accuracy. Journal of Glaucoma 25(4), pp. 397-402. (10.1097/IJG.0000000000000252)
• Roy Chowdhury, S. et al. 2016. Diabetic retinopathy in newly diagnosed subjects with type 2 diabetes mellitus: contribution of β-Cell function. Journal of Clinical Endocrinology and Metabolism 101(2), pp. 572-580. (10.1210/jc.2015-2203)

2015

• Ng, A. Y. S., Evans, K. S. E., North, R. and Purslow, C. 2015. Migration of cosmetic products into the tear film. Eye & Contact Lens: Science & Clinical Practice 41(5), pp. 304-309. (10.1097/ICL.0000000000000124)
• Thomas, R. L. et al. 2015. Prevalence of diabetic retinopathy within a national diabetic retinopathy screening service. British Journal of Ophthalmology 99, pp. 64-68. (10.1136/bjophthalmol-2013-304017)

2014

• Anantrasirichai, N. et al. 2014. Adaptive-weighted bilateral filtering and other pre-processing techniques for optical coherence tomography. Computerized Medical Imaging and Graphics 38(6), pp. 526-539. (10.1016/j.compmedimag.2014.06.012)
• Djiallis, C., North, R., Cooper, A., Kenkre, J., Richardson, S. and Van Deursen, R. W. M. 2014. Survey of vision screening services provided for stroke patients in Wales - a pilot study. Presented at: Welsh Stroke Conference 2014, Cardiff, 4-5 June 2014.

2013

• North, R. V. et al. 2013. Lamina cribrosa pore analysis in glaucomatous human optic nerve heads in vivo. Presented at: Association for Research in Vision and Ophthalmology, Seattle, WA, USA, 5-9 May 2013.

2012

• Ng, A. Y. S., Evans, K. S. E., North, R. V. and Purslow, C. 2012. Eye cosmetic usage and associated ocular comfort. Ophthalmic And Physiological Optics 32(6), pp. 501-507. (10.1111/j.1475-1313.2012.00944.x)
• Mortlock, K. E. et al. 2012. Three dimensional (3D) segmentation of normal and glaucomatous optic nerve heads in 1050nm optical coherence tomography (OCT) datasets. Presented at: Association for Research in Vision and Ophthalmology, Fort Lauderdale, FL., USA, 6-9 May 2012.
• Morgan, J. E., Bourtsoukli, I., Rajkumar, K. N., Ansari, E., Cunliffe, I. A., North, R. V. and Wild, J. M. 2012. The accuracy of the inferior>superior>nasal>temporal neuroretinal rim area rule for diagnosing glaucomatous optic disc damage. Ophthalmology 119(4), pp. 723-730. (10.1016/j.ophtha.2011.10.004)
• Thomas, R. L. et al. 2012. Incidence of diabetic retinopathy in people with type 2 diabetes mellitus attending the Diabetic Retinopathy Screening Service for Wales: retrospective analysis. BMJ 344, article number: e874. (10.1136/bmj.e874)
• Thomas, R. L. et al. 2012. Incidence of diabetic retinopathy in people with type 2 diabetes mellitus attending the Diabetic Retinopathy Screening Service for Wales: retrospective analysis. BMJ 344(feb22), article number: e874. (10.1136/bmj.e874)

2011

• Esmaeelpour Hajyar, M. et al. 2011. Mapping choroidal and retinal thickness variation in Type 2 diabetes using three-dimensional 1060-nm optical coherence tomography. Investigative Ophthalmology and Visual Science 52(8), pp. 5311-5316. (10.1167/iovs.10-6875)
• Mukhopadhyay, D. R., North, R. V. and Hamilton-Maxwell, K. 2011. Effect of a proparacaine 0.50%-sodium fluorescein 0.25% mix and contact ultrasound pachymetry on central and midperipheral corneal thickness measured by noncontact optical pachymetry. Journal of Cataract & Refractive Surgery 37(5), pp. 907-913. (10.1016/j.jcrs.2010.11.033)
• Binns, A., Mortlock, K. E. and North, R. V. 2011. The relationship between stimulus intensity and response amplitude for the photopic negative response of the flash electroretinogram. Documenta Ophthalmologica 122(1), pp. 39-52. (10.1007/s10633-010-9257-7)

2010

• Esmaeelpour Hajyar, M. et al. 2010. Three-Dimensional 1060-nm OCT: Choroidal thickness maps in normal subjects and improved posterior segment visualization in cataract patients. Investigative Ophthalmology & Visual Science 51(10), pp. 5260-5266. (10.1167/iovs.10-5196)
• Mortlock, K. E., Binns, A., Aldebasi, Y. H. and North, R. V. 2010. Inter-subject, inter-ocular and inter-session repeatability of the photopic negative response of the electroretinogram recorded using DTL and skin electrodes. Documenta Ophthalmologica 121(2), pp. 123-134. (10.1007/s10633-010-9239-9)
• Mortlock, K. E. et al. 2010. 1050nm optical coherence tomography of the ageing and glaucomatous optic nerve head. Presented at: EUROMECH Colloquim, Imperial College, London, UK, 26-28 July, 2010.
• North, R. V., Jones, A. L., Drasdo, N., Wild, J. M. and Morgan, J. E. 2010. Electrophysiological evidence of early functional damage in glaucoma and ocular hypertension. Investigative Ophthalmology & Visual Science 51(2), pp. 1216-1222. (10.1167/iovs.09-3409)
• Gutstein, W., Sinclair, S. H., North, R. V. and Bekiroglu, N. 2010. Screening athletes with Down syndrome for ocular disease. Optometry - Journal of the American Optometric Association 81(2), pp. 94-99. (10.1016/j.optm.2009.09.017)

2009

• Evans, K. S. E., North, R. V. and Purslow, C. 2009. Tear ferning in contact lens wearers. Ophthalmic and Physiological Optics 29(2), pp. 199-204. (10.1111/j.1475-1313.2008.00626.x)

2008

• Drasdo, N., Mortlock, K. E. and North, R. V. 2008. Ganglion Cell Loss and Dysfunction: Relationship to Perimetric Sensitivity. Optometry and Vision Science 85(11), pp. 1036-1042. (10.1097/OPX.0b013e31818b94af)

2005

• Mortlock, K. E., Chiti, Z., Drasdo, N., Owens, D. R. and North, R. V. 2005. Silent substitution S-cone electroretinogram in subjects with diabetes mellitus. Ophthalmic and physiological optics 25(5), pp. 392-399. (10.1111/j.1475-1313.2005.00299.x)
• Morgan, J. E., Sheen, N. J. L., North, R. V., Choong, Y. F. and Ansari, E. 2005. Digital imaging of the optic nerve head: monoscopic and stereoscopic analysis. British Journal of Ophthalmology 89(7), pp. 879-884. (10.1136/bjo.2004.046169)

2004

• Sheen, N. J. L., Morgan, J. E., Poulsen, J. L. and North, R. V. 2004. Digital stereoscopic analysis of the optic disc - Evaluation of a teaching program. Ophthalmology 111(10), pp. 1873-1879. (10.1016/j.ophtha.2004.04.018)
• Arlotte, D. V., Perrott, R. L., Drasdo, N., Owens, D. R. and North, R. V. 2004. The effect of post prandial glucose changes on oscillatory potentials in subjects with type 2 diabetes mellitus. Documenta ophthalmologica 109(1), pp. 35-42. (10.1007/s10633-004-1302-y)

2003

• North, R. 2003. Eye protection and ocular hazards: standards and requirements. Optometry Today 43, pp. 24-30.
• Chiti, Z., North, R. V., Mortlock, K. E. and Drasdo, N. 2003. The S-cone electroretinogram: a comparison of techniques, normative data and age-related variation. Ophthalmic And Physiological Optics 23(4), pp. 370-376. (10.1046/j.1475-1313.2003.00129.x)
• Mortlock, K. E., Chiti, Z., North, R. V., Drasdo, N. and Owens, D. R. 2003. Dr L/M and S-Cone ERGs in subjects with no or early diabetic retinopathy. Presented at: Association for Research in Vision and Ophthalmology, Fort Lauderdale, FL., US, 4-8 May 2003.
• Choong, Y. F., Rakebrandt, F., North, R. V. and Morgan, J. E. 2003. Acutance, an objective measure of retinal nerve fibre image clarity. British Journal of Ophthalmology 87(3), pp. 322-326. (10.1136/bjo.87.3.322)
• Rakebrandt, F., North, R. V., Erichsen, J. T., Drasdo, N., Fowler, C., Cowey, A. and Morgan, J. E. 2003. The construction of a model eye for investigation of laser-tissue interactions in scanning laser ophthalmoscopy. Optometry & Vision Science 80(3), pp. 252-258. (10.1097/00006324-200303000-00015)
• Arlotte, D. V., North, R. V., Drasdo, N. and Owens, D. R. 2003. A modified technique used to assess oscillatory potentials in patients with diabetes mellitus [Abstract]. Investigative Ophthalmology and Visual Science 44(E-Abst)

2002

• Drasdo, N., Aldebasi, Y. H. F., Mortlock, K. E., Chiti, Z., Morgan, J. E., North, R. V. and Wild, J. M. 2002. Ocular optics, electroretinography and primary open angle glaucoma. Ophthalmic and Physiological Optics 22(5), pp. 455-462. (10.1046/j.1475-1313.2002.00078.x)
• Drasdo, N., Chiti, Z., North, R. V. and Owens, D. R. 2002. Effect of darkness on inner retinal hypoxia in diabetes. The lancet 359(9325), pp. 2251-2253. (10.1016/S0140-6736(02)09265-6)
• Drasdo, N., Chiti, Z., Owens, D. R. and North, R. V. 2002. Effect of darkness on inner retinal hypoxia in diabetes. The lancet 359(9325), pp. 2251-2253. (10.1016/S0140-6736(02)09265-6)

2001

• Jones, A. L., Sheen, N. J. L., North, R. V. and Morgan, J. E. 2001. The Humphrey optical coherence tomography scanner: quantitative analysis and reproducibility study of the normal human retinal nerve fibre layer. British Journal of Ophthalmology 85(6), pp. 673-677. (10.1136/bjo.85.6.673)
• Sheen, N. J. L., Aldridge, C. E., Drasdo, N., North, R. V. and Morgan, J. E. 2001. The effects of astigmatism and working distance on optic nerve head images using a Heidelberg retina tomograph scanning laser ophthalmoscope. American Journal of Ophthalmology 131(6), pp. 716-721. (10.1016/S0002-9394(00)00898-9)
• Perrott, R. L., North, R. V., Drasdo, N., Ahmed, K. A. and Owens, D. R. 2001. The influence of plasma glucose upon pulsatile ocular blood flow in subjects with Type II diabetes mellitus. Diabetologia 44(6), pp. 700-705. (10.1007/s001250051678)
• Drasdo, N., Aldebasi, Y. H. F., Chiti, Z., Mortlock, K. E., Morgan, J. E. and North, R. V. 2001. The S-cone PhNR and pattern ERG in primary open angle glaucoma. Investigative Ophthalmology and Visual Science 42(6), pp. 1266-1272.
• Goyal, R., Rakebrandt, F., Turner, J., North, R. V. and Morgan, J. E. 2001. Measurement of axial length using laser interferometry in a model eye. Investigative Ophthalmology and Visual Science 42(4), pp. S55-S55.

1997

• North, R. V., Farrell, U., Banford, D., Jones, C., Gregory, J. W., Butler, G. and Owens, D. R. 1997. Visual function in young IDDM patients over 8 years of age. A 4-year longitudinal study. Diabetes Care 20(11), pp. 1724-1730. (10.2337/diacare.20.11.1724)