Research

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Alex Day: Innovator in Cataract and Laser Vision Correction Surgery

Mr Alex Day is an honorary clinical Associate Professor at University College London and has over 70 publications. He is a PhD student supervisor. Being research trained means he can offer his patients the latest treatments to give them the best surgical outcomes and customer service.

Alex Day is internationally recognised for his research in cataract and lens replacement surgery. He was ranked no.2 globally by The Ophthalmologist as a Rising Star in 2017.

Alex is an Honorary Associate Professor at UCL Institute of Ophthalmology, London. He has published 70 papers in peer reviewed medical journals and is first author for 39. He was responsible for the concept and formation of the group behind the Femtosecond laser Assisted Cataract Trial (FACT). This was a £1.5 million NIHR funded multicentre randomised controlled trial of femtosecond laser assisted cataract surgery (FLACS) vs conventional phacoemulsification cataract surgery (standard ultrasound cataract surgery).

Alex is the Principle Investigator at Moorfields for the £1.1 million NIHR DemDx A&E Artificial Intelligence Triage Platform study.

Alex is the Moorfields joint lead for cataract surgery research, including a collaboration with Aston University for UK Biobank analysis of the genetics of cataract. He is also the first author of four RCOphth National Ophthalmology Database publications using big data to benchmark and set national standards for cataract surgery outcomes.

Publications

Brandao-de-Resende C, Melo M, Lee E, Jindal A, Neo YN, Sanghi P, Freitas JR, Castro PVIP, Rosa VOM, Valentim GFS, Higino MLO, Hay GR, Keane PA, Vasconcelos-Santos DV, Day AC. A machine learning system to optimise triage in an adult ophthalmic emergency department: a model development and validation study. EClinicalMedicine. 2023 Dec

Jindal A, Sumodhee D, Brandao-de-Resende C, Melo M, Neo YN, Lee E, Day AC. Usability of an artificially intelligence-powered triage platform for adult ophthalmic emergencies: a mixed methods study. Sci Rep. 2023 Dec 15;13(1):22490. doi: 10.1038/s41598-023-49213-y. PMID: 38110457; PMCID: PMC10728059.

Sim PY, Day AC, Leak C, Buchan JC. Cochrane Corner: immediate sequential bilateral surgery versus delayed sequential bilateral surgery for cataracts. Eye (Lond). 2023 Oct;37(14):2841-2843. doi: 10.1038/s41433-023-02436-9. Epub 2023 Feb 10. PMID: 36765268; PMCID: PMC10517021.

Narayan A, Evans JR, O'Brart D, Bunce C, Gore DM, Day AC. Laser-assisted cataract surgery versus standard ultrasound phacoemulsification cataract surgery. Cochrane Database Syst Rev. 2023 Jun 23;6(6):CD010735. doi: 10.1002/14651858.CD010735.pub3. PMID: 37369549; PMCID: PMC10288823.

Reinstein DZ, Gupta R, Archer TJ, Potter JG, Day AC. Incidence of Microfolds Using a Standardized Three-Stage LASIK Flap Replacement Protocol. J Refract Surg. 2023 Jun;39(6):388-396. doi: 10.3928/1081597X-20230320-01. Epub 2023 Jun 1. PMID: 37306201.

Malcolm J, Leak C, Day AC, Baker H, Buchan JC. Immediate sequential bilateral cataract surgery: patient perceptions and preferences. Eye (Lond). 2023 May;37(7):1509-1514. doi: 10.1038/s41433-022-02171-7. Epub 2022 Jul 20. PMID: 35859120; PMCID: PMC9296758.

Day AC, Norridge CFE, Donachie PHJ, Barnes B, Sparrow JM. Royal College of Ophthalmologists’ National Ophthalmology Database study of cataract surgery: report 8, cohort analysis of the relationship between intraoperative complications of cataract surgery and axial length. BMJ Open. 2022 Aug 19;12(8):e053560. doi: 10.1136/bmjopen-2021-053560. PMID: 35985773

Foster PJ, Ng WS, Nolan WP, Tanner L, Gazzard G, Day AC, Sanders R, Foot B, Salmon JF, Azuara-Blanco A. Prevention of angle-closure glaucoma: balancing risk and benefit. Eye (Lond). 2022 Dec;36(12):2229-2231. doi: 10.1038/s41433-021-01881-8. Epub 2022 Jun 20. PMID: 35725765; PMCID: PMC9674842.

Day AC, Gazzard G. Missed Opportunities in Preventing Acute Angle Closure-Needlessly Blind? JAMA Ophthalmol. 2022 Jun 1;140(6):604-605. doi: 10.1001/jamaophthalmol.2022.1232. PMID: 35551583.

Matarazzo F, Phylactou M, Day AC, Maurino V. Effect of surgical abstinence on the risk for posterior capsule rupture during cataract surgery. J Cataract Refract Surg. 2022 Feb 1;48(2):173-176. doi: 10.1097/j.jcrs.0000000000000741. PMID: 34261984.

Chua SYL, Khawaja AP, Desai P, Rahi JS, Day AC, Hammond CJ, Khaw PT, Foster PJ. The Association of Ambient Air Pollution With Cataract Surgery in UK Biobank Participants: Prospective Cohort Study. Invest Ophthalmol Vis Sci. 2021 Dec 1;62(15):7. doi: 10.1167/iovs.62.15.7. PMID: 34874411; PMCID: PMC8662572.

Yusuf IH, Bostancı B, Morselli S, Day AC. Comment on: Effect of anti-inflammatory regimen on early postoperative inflammation after cataract surgery. J Cataract Refract Surg. 2021 Jun 1;47(6):833-834. doi: 10.1097/j.jcrs.0000000000000683. PMID: 34016865.

Chua SYL, Luben RN, Hayat S, Broadway DC, Khaw KT, Warwick A, Britten A, Day AC, Strouthidis N, Patel PJ, Khaw PT, Foster PJ, Khawaja AP; UK Biobank Eye and Vision Consortium. Alcohol Consumption and Incident Cataract Surgery in Two Large UK Cohorts. Ophthalmology. 2021 Jun;128(6):837-847. doi: 10.1016/j.ophtha.2021.02.007. Epub 2021 Feb 8. PMID: 33571551; PMCID: PMC8162662.

Day AC, Burr JM, Bennett K, Hunter R, Bunce C, Doré CJ, Nanavaty MA, Balaggan KS, Wilkins MR. Femtosecond laser-assisted cataract surgery compared with phacoemulsification: the FACT non-inferiority RCT. Health Technol Assess. 2021 Jan;25(6):1-68. doi: 10.3310/hta25060. PMID: 33511963; PMCID: PMC7883211.

Phylactou M, Matarazzo F, Day AC, Hussain B, Maurino V. Cataract surgery in eyes with congenital ocular coloboma. Graefes Arch Clin Exp Ophthalmol. 2020 Dec;258(12):2753-2759. doi: 10.1007/s00417-020-04915-1. Epub 2020 Sep 4. PMID: 32886164.

Gadhvi KA, Romano V, Fernández-Vega Cueto L, Aiello F, Day AC, Gore DM, Allan BD. Femtosecond Laser-Assisted Deep Anterior Lamellar Keratoplasty for Keratoconus: Multi-surgeon Results. Am J Ophthalmol. 2020 Dec;220:191-202. doi: 10.1016/j.ajo.2020.07.023. Epub 2020 Jul 21. PMID: 32707206.

Day AC, Burr JM, Bennett K, Doré CJ, Bunce C, Hunter R, Nanavaty MA, Balaggan KS, Wilkins MR; FACT trial group. Femtosecond laser-assisted cataract surgery compared with phacoemulsification cataract surgery: randomized noninferiority trial with 1-year outcomes. J Cataract Refract Surg. 2020 Oct;46(10):1360-1367. doi: 10.1097/j.jcrs.0000000000000257.

Day AC, Burr JM, Bennett K, Bunce C, Doré CJ, Rubin GS, Nanavaty MA, Balaggan KS, Wilkins MR; FACT group. Femtosecond Laser-Assisted Cataract Surgery Versus Phacoemulsification Cataract Surgery (FACT): A Randomized Noninferiority Trial. Ophthalmology. 2020 Aug;127(8):1012-1019. doi: 10.1016/j.ophtha.2020.02.028. Epub 2020 Mar 3. PMID: 32386810; PMCID: PMC7397499.

Roberts HW, Day AC, O’Brart DP. Femtosecond laser-assisted cataract surgery: A review. Eur J Ophthalmol. 2020 May;30(3):417-429. doi: 10.1177/1120672119893291. Epub 2019 Dec 4. PMID: 31801354.

Johnston RL, Day AC, Donachie PHJ, Sparrow JM. The Royal College of Ophthalmologists’ National Ophthalmology Database study of cataract surgery: report 4, equity of access to cataract surgery. Eye (Lond). 2020 Mar;34(3):530-536. doi: 10.1038/s41433-019-0524-x. Epub 2019 Jul 29. PMID: 31358923; PMCID: PMC7042319.

Day AC, Findl O. Femtosecond laser-assisted vs conventional cataract surgery. Lancet. 2020 Jan 18;395(10219):170-171. doi: 10.1016/S0140-6736(19)32622-4. PMID: 31954446.

Pontikos N, Chua S, Foster PJ, Tuft SJ, Day AC; UK Biobank Eye and Vision Consortium. Frequency and distribution of corneal astigmatism and keratometry features in adult life: Methodology and findings of the UK Biobank study. PLoS One. 2019 Sep 19;14(9):e0218144. doi: 10.1371/journal.pone.0218144.

Day AC, Dhariwal M, Keith MS, Ender F, Perez Vives C, Miglio C, Zou L, Anderson DF. Distribution of preoperative and postoperative astigmatism in a large population of patients undergoing cataract surgery in the UK. Br J Ophthalmol. 2019 Jul;103(7):993-1000. doi: 10.1136/bjophthalmol-2018-312025. Epub 2018 Sep 6. PMID: 30190365; PMCID: PMC6591741.

Gadhvi KA, Romano V, Fernández-Vega Cueto L, Aiello F, Day AC, Allan BD. Deep Anterior Lamellar Keratoplasty for Keratoconus: Multisurgeon Results. Am J Ophthalmol. 2019 May;201:54-62. doi: 10.1016/j.ajo.2019.01.022. Epub 2019 Feb 2. PMID: 30721690.

Reinstein DZ, Pradhan KR, Carp GI, Archer TJ, Day AC, Sekundo W, Dhungana P. Small Incision Lenticule Extraction for Hyperopia: 3-Month Refractive and Visual Outcomes. J Refract Surg. 2019 Jan 1;35(1):24-30. doi: 10.3928/1081597X-20181025-01. PMID: 30633784.

Reinstein DZ, Carp GI, Archer TJ, Day AC, Vida RS. Outcomes for Hyperopic LASIK With the MEL 90® Excimer Laser. J Refract Surg. 2018 Dec 1;34(12):799-808. doi: 10.3928/1081597X-20181019-01. PMID: 30540362.

Day AC, Cooper D, Burr J, Foster PJ, Friedman DS, Gazzard G, Che-Hamzah J, Aung T, Ramsay CR, Azuara-Blanco A. Clear lens extraction for the management of primary angle closure glaucoma: surgical technique and refractive outcomes in the EAGLE cohort. Br J Ophthalmol. 2018 Dec;102(12):1658-1662. doi: 10.1136/bjophthalmol-2017-311447. Epub 2018 Feb 16. PMID: 29453222.

Matarazzo F, Day AC, Fernandez-Vega Cueto L, Maurino V. Vertical implantable collamer lens (ICL) rotation for the management of high vault due to lens oversizing. Int Ophthalmol. 2018 Dec;38(6):2689-2692. doi: 10.1007/s10792-017-0757-2. Epub 2017 Nov 1. PMID: 29094301.

Reinstein DZ, Carp GI, Archer TJ, Day AC, Vida RS. Outcomes for Mixed Cylinder LASIK With the MEL 90® Excimer Laser. J Refract Surg. 2018 Oct 1;34(10):672-680. doi: 10.3928/1081597X-20180814-01. PMID: 30296328.

Chua PY, Day AC, Lai KL, Hall N, Tan LL, Khan K, Lim LT, Foot B, Foster PJ, Azuara-Blanco A. The incidence of acute angle closure in Scotland: a prospective surveillance study. Br J Ophthalmol. 2018 Apr;102(4):539-543. doi: 10.1136/bjophthalmol-2017-310725. Epub 2017 Aug 9. PMID: 28794074.

Day AC, Smith PR, Tang HL, Aiello F, Hussain B, Maurino V, Marshall J, Saleh GM. Surgical efficiency in femtosecond laser cataract surgery compared with phacoemulsification cataract surgery: a case-control study. BMJ Open. 2018 Feb 17;8(2):e018478. doi: 10.1136/bmjopen-2017-018478. PMID: 29455164; PMCID: PMC5855332.

Hoffman J, Spencer F, Ezra D, Day AC. Changes in UK ophthalmology surgical training: analysis of cumulative surgical experience 2009-2015. BMJ Open. 2017 Oct 6;7(10):e018526. doi: 10.1136/bmjopen-2017-018526. PMID: 28988187; PMCID: PMC5640272.

Day AC, Donachie PHJ, Sparrow JM, Johnston RL; Royal College of Ophthalmologists’ National Ophthalmology Database. United Kingdom National Ophthalmology Database Study of Cataract Surgery: Report 3: Pseudophakic Retinal Detachment. Ophthalmology. 2016 Aug;123(8):1711-1715. doi: 10.1016/j.ophtha.2016.04.002. Epub 2016 Jun 21. PMID: 27342788.

Day AC, Dhallu SK, Maurino V, Wilkins MR. Initial experience using a femtosecond laser cataract surgery system at a UK National Health Service cataract surgery day care centre. BMJ Open. 2016 Jul 27;6(7):e012078. doi: 10.1136/bmjopen-2016-012078. PMID: 27466243; PMCID: PMC4964168.

Day AC, Gore DM, Bunce C, Evans JR. Laser-assisted cataract surgery versus standard ultrasound phacoemulsification cataract surgery. Cochrane Database Syst Rev. 2016 Jul 8;7(7):CD010735. doi: 10.1002/14651858.CD010735.pub2. PMID: 27387849; PMCID: PMC6458014.

Lee AY, Day AC, Egan C, Bailey C, Johnston RL, Tsaloumas MD, Denniston AK, Tufail A; United Kingdom Age-related Macular Degeneration and Diabetic Retinopathy Electronic Medical Records Users Group. Previous Intravitreal Therapy Is Associated with Increased Risk of Posterior Capsule Rupture during Cataract Surgery. Ophthalmology. 2016 Jun;123(6):1252-6. doi: 10.1016/j.ophtha.2016.02.014. Epub 2016 Mar 18. PMID: 26996340.

Khor CC, Do T, Jia H, Nakano M, George R, Abu-Amero K, Duvesh R, Chen LJ, Li Z, Nongpiur ME, Perera SA, Qiao C, Wong HT, Sakai H, Barbosa de Melo M, Lee MC, Chan AS, Azhany Y, Dao TL, Ikeda Y, Perez-Grossmann RA, Zarnowski T, Day AC, Jonas JB, Tam PO, Tran TA, Ayub H, Akhtar F, Micheal S, Chew PT, Aljasim LA, Dada T, Luu TT, Awadalla MS, Kitnarong N, Wanichwecharungruang B, Aung YY, Mohamed-Noor J, Vijayan S, Sarangapani S, Husain R, Jap A, Baskaran M, Goh D, Su DH, Wang H, Yong VK, Yip LW, Trinh TB, Makornwattana M, Nguyen TT, Leuenberger EU, Park KH, Wiyogo WA, Kumar RS, Tello C, Kurimoto Y, Thapa SS, Pathanapitoon K, Salmon JF, Sohn YH, Fea A, Ozaki M, Lai JS, Tantisevi V, Khaing CC, Mizoguchi T, Nakano S, Kim CY, Tang G, Fan S, Wu R, Meng H, Nguyen TT, Tran TD, Ueno M, Martinez JM, Ramli N, Aung YM, Reyes RD, Vernon SA, Fang SK, Xie Z, Chen XY, Foo JN, Sim KS, Wong TT, Quek DT, Venkatesh R, Kavitha S, Krishnadas SR, Soumittra N, Shantha B, Lim BA, Ogle J, de Vasconcellos JP, Costa VP, Abe RY, de Souza BB, Sng CC, Aquino MC, Kosior-Jarecka E, Fong GB, Tamanaja VC, Fujita R, Jiang Y, Waseem N, Low S, Pham HN, Al-Shahwan S, Craven ER, Khan MI, Dada R, Mohanty K, Faiq MA, Hewitt AW, Burdon KP, Gan EH, Prutthipongsit A, Patthanathamrongkasem T, Catacutan MA, Felarca IR, Liao CS, Rusmayani E, Istiantoro VW, Consolandi G, Pignata G, Lavia C, Rojanapongpun P, Mangkornkanokpong L, Chansangpetch S, Chan JC, Choy BN, Shum JW, Than HM, Oo KT, Han AT, Yong VH, Ng XY, Goh SR, Chong YF, Hibberd ML, Seielstad M, Png E, Dunstan SJ, Chau NV, Bei J, Zeng YX, Karkey A, Basnyat B, Pasutto F, Paoli D, Frezzotti P, Wang JJ, Mitchell P, Fingert JH, Allingham RR, Hauser MA, Lim ST, Chew SH, Ebstein RP, Sakuntabhai A, Park KH, Ahn J, Boland G, Snippe H, Stead R, Quino R, Zaw SN, Lukasik U, Shetty R, Zahari M, Bae HW, Oo NL, Kubota T, Manassakorn A, Ho WL, Dallorto L, Hwang YH, Kiire CA, Kuroda M, Djamal ZE, Peregrino JI, Ghosh A, Jeoung JW, Hoan TS, Srisamran N, Sandragasu T, Set SH, Doan VH, Bhattacharya SS, Ho CL, Tan DT, Sihota R, Loon SC, Mori K, Kinoshita S, Hollander AI, Qamar R, Wang YX, Teo YY, Tai ES, Hartleben-Matkin C, Lozano-Giral D, Saw SM, Cheng CY, Zenteno JC, Pang CP, Bui HT, Hee O, Craig JE, Edward DP, Yonahara M, Neto JM, Guevara-Fujita ML, Xu L, Ritch R, Liza-Sharmini AT, Wong TY, Al-Obeidan S, Do NH, Sundaresan P, Tham CC, Foster PJ, Vijaya L, Tashiro K, Vithana EN, Wang N, Aung T. Genome-wide association study identifies five new susceptibility loci for primary angle closure glaucoma. Nat Genet. 2016 May;48(5):556-62. doi: 10.1038/ng.3540. Epub 2016 Apr 4. PMID: 27064256.

Day AC, Stevens JD. Stability of Keratometric Astigmatism After Non-penetrating Femtosecond Laser Intrastromal Astigmatic Keratotomy Performed During Laser Cataract Surgery. J Refract Surg. 2016 Mar;32(3):152-5. doi: 10.3928/1081597X-20160204-01. PMID: 27027621.

Day AC, Wormald R, Coronini-Cronberg S, Smith R; Royal College of Ophthalmologists Cataract Surgery Commissioning Guidance Development Group. The Royal College of Ophthalmologists’ Cataract Surgery Commissioning Guidance: executive summary. Eye (Lond). 2016 Mar;30(3):498-502. doi: 10.1038/eye.2015.271. Epub 2016 Jan 22. PMID: 26795408; PMCID: PMC4791709.

Timlin HM, Keane PA, Day AC, Salam T, Abdullah M, Rose GE, Ezra DG. Characterizing the lacrimal punctal region using anterior segment optical coherence tomography. Acta Ophthalmol. 2016 Mar;94(2):154-9. doi: 10.1111/aos.12906. Epub 2015 Dec 9. PMID: 26648481.

Day AC, Stevens JD. Predictors of femtosecond laser intrastromal astigmatic keratotomy efficacy for astigmatism management in cataract surgery. J Cataract Refract Surg. 2016 Feb;42(2):251-7. doi: 10.1016/j.jcrs.2015.09.028. PMID: 27026450.

Day AC, Lau NM, Stevens JD. Nonpenetrating femtosecond laser intrastromal astigmatic keratotomy in eyes having cataract surgery. J Cataract Refract Surg. 2016 Jan;42(1):102-9. doi: 10.1016/j.jcrs.2015.07.045. PMID: 26948784.

Day AC, Donachie PH, Sparrow JM, Johnston RL; Royal College of Ophthalmologists’ National Ophthalmology Database. The Royal College of Ophthalmologists’ National Ophthalmology Database Study of cataract surgery: Report 2, relationships of axial length with ocular copathology, preoperative visual acuity, and posterior capsule rupture. Eye (Lond). 2015 Dec;29(12):1528-37. doi: 10.1038/eye.2015.198. Epub 2015 Oct 23. PMID: 26493034; PMCID: PMC5129808.

Day AC, Burr JM, Bunce C, Doré CJ, Sylvestre Y, Wormald RP, Round J, McCudden V, Rubin G, Wilkins MR; FACT Group. Randomised, single-masked non-inferiority trial of femtosecond laser-assisted versus manual phacoemulsification cataract surgery for adults with visually significant cataract: the FACT trial protocol. BMJ Open. 2015 Nov 27;5(11):e010381. doi: 10.1136/bmjopen-2015-010381. PMID: 26614627; PMCID: PMC4663449.

Day AC, Donachie PH, Sparrow JM, Johnston RL; Royal College of Ophthalmologists’ National Ophthalmology Database. The Royal College of Ophthalmologists’ National Ophthalmology Database study of cataract surgery: Report 1, visual outcomes and complications. Eye (Lond). 2015 Apr;29(4):552-60. doi: 10.1038/eye.2015.3. Epub 2015 Feb 13. PMID: 25679413; PMCID: PMC4816350.

Day AC, Gartry DS, Maurino V, Allan BD, Stevens JD. Efficacy of anterior capsulotomy creation in femtosecond laser-assisted cataract surgery. J Cataract Refract Surg. 2014 Dec;40(12):2031-4. doi: 10.1016/j.jcrs.2014.07.027. Epub 2014 Oct 8. PMID: 25305149.

Errera MH, Liyanage SE, Elgohary M, Day AC, Wickham L, Patel PJ, Sahel JA, Paques M, Ezra E, Sullivan PM. Reply: To PMID 23591533. Retina. 2014 May;34(5):e14. doi: 10.1097/IAE.0000000000000195. PMID: 24751952.

Errera MH, Liyanage SE, Elgohary M, Day AC, Wickham L, Patel PJ, Sahel JA, Paques M, Ezra E, Sullivan PM. Using spectral-domain optical coherence tomography imaging to identify the presence of retinal silicone oil emulsification after silicone oil tamponade. Retina. 2013 Sep;33(8):1567-73. doi: 10.1097/IAE.0b013e318287d9ea. PMID: 23591533.

Day AC, Khawaja AP, Peto T, Hayat S, Luben R, Broadway DC, Khaw KT, Foster PJ. The small eye phenotype in the EPIC-Norfolk eye study: prevalence and visual impairment in microphthalmos and nanophthalmos. BMJ Open. 2013 Jul 24;3(7):e003280. doi: 10.1136/bmjopen-2013-003280. PMID: 23883889; PMCID: PMC3731707.

Day AC, Luben R, Khawaja AP, Low S, Hayat S, Dalzell N, Wareham NJ, Khaw KT, Foster PJ. Genotype-phenotype analysis of SNPs associated with primary angle closure glaucoma (rs1015213, rs3753841 and rs11024102) and ocular biometry in the EPIC-Norfolk Eye Study. Br J Ophthalmol. 2013 Jun;97(6):704-7. doi: 10.1136/bjophthalmol-2012-302969. Epub 2013 Mar 15. PMID: 23505305; PMCID: PMC4624259.

Day AC, MacLaren RE, Bunce C, Stevens JD, Foster PJ. Reply: Cataract surgery and microphthalmic eyes. J Cataract Refract Surg. 2013 May;39(5):818-9. doi: 10.1016/j.jcrs.2013.03.008. PMID: 23608586.

Day AC, Garway-Heath DF, Broadway DC, Jiang Y, Hayat S, Dalzell N, Khaw KT, Foster PJ. Spectral domain optical coherence tomography imaging of the aqueous outflow structures in normal participants of the EPIC-Norfolk Eye Study. Br J Ophthalmol. 2013 Feb;97(2):189-95. doi: 10.1136/bjophthalmol-2012-302147. Epub 2012 Nov 30. PMID: 23203701.

Shah AN, Day AC, Healy VC, Olver JM. Eyelid necrotizing fasciitis: what were the early signs? J Emerg Med. 2013 Feb;44(2):349-51. doi: 10.1016/j.jemermed.2012.02.041. Epub 2012 May 11. PMID: 22579024.

Day AC, MacLaren RE, Bunce C, Stevens JD, Foster PJ. Outcomes of phacoemulsification and intraocular lens implantation in microphthalmos and nanophthalmos. J Cataract Refract Surg. 2013 Jan;39(1):87-96. doi: 10.1016/j.jcrs.2012.08.057. PMID: 23245362.

Day AC, Foster PJ, Stevens JD. Accuracy of intraocular lens power calculations in eyes with axial length <22.00 mm. Clin Exp Ophthalmol. 2012 Dec;40(9):855-62. doi: 10.1111/j.1442-9071.2012.02810.x. Epub 2012 Jul 11. PMID: 22594574.

Day AC, Baio G, Gazzard G, Bunce C, Azuara-Blanco A, Munoz B, Friedman DS, Foster PJ. The prevalence of primary angle closure glaucoma in European derived populations: a systematic review. Br J Ophthalmol. 2012 Sep;96(9):1162-7. doi: 10.1136/bjophthalmol-2011-301189. Epub 2012 May 31. PMID: 22653314.

Day AC, Nolan W, Malik AN, Viswanathan AC, Foster PJ. Pilocarpine induced acute angle closure. BMJ Case Rep. 2012 May 8;2012:bcr0120125694. doi: 10.1136/bcr.01.2012.5694.

De Silva DJ, Day AC, Bunce C, Gazzard G, Foster PJ. Randomised trial of sequential pretreatment for Nd:YAG laser iridotomy in dark irides. Br J Ophthalmol. 2012 Feb;96(2):263-6. doi: 10.1136/bjo.2010.200030. Epub 2011 Apr 21. PMID: 21515562.

Day AC, Foster PJ. Response to: Idiopathic uveal effusion syndrome causing unilateral acute angle closure in a pseudophakic patient. Eye (Lond). 2011 Dec;25(12):1660; author reply 1660-1. doi: 10.1038/eye.2011.235. Epub 2011 Sep 16. PMID: 21921958; PMCID: PMC3234477.

Day AC, Machin D, Aung T, Gazzard G, Husain R, Chew PT, Khaw PT, Seah SK, Foster PJ. Central corneal thickness and glaucoma in East Asian people. Invest Ophthalmol Vis Sci. 2011 Oct 28;52(11):8407-12. doi: 10.1167/iovs.11-7927. PMID: 21917940.

Day AC, Foster PJ. Increases in rates of both laser peripheral iridotomy and phacoemulsification have accompanied a fall in acute angle closure rates in the UK. Br J Ophthalmol. 2011 Sep;95(9):1339-40. doi: 10.1136/bjophthalmol-2011-300255. Epub 2011 May 10. PMID: 21561872.

Day AC, Foster PJ. How large should an iridotomy be? Br J Ophthalmol. 2011 May;95(5):747-8. doi: 10.1136/bjo.2010.196683. Epub 2010 Dec 16. PMID: 21169270.

Day AC, Rotsos T, Holder GE, Tufail A, Robson AG. Electrodiagnostic and two-wavelength fundus autofluorescence imaging investigations in acute idiopathic maculopathy. Doc Ophthalmol. 2010 Oct;121(2):155-60. doi: 10.1007/s10633-010-9235-0. Epub 2010 Jun 18. PMID: 20559680.

Mukhopadhyay R, Sergouniotis PI, Mackay DS, Day AC, Wright G, Devery S, Leroy BP, Robson AG, Holder GE, Li Z, Webster AR. A detailed phenotypic assessment of individuals affected by MFRP-related oculopathy. Mol Vis. 2010 Mar 26;16:540-8. PMID: 20361016; PMCID: PMC2846851.

Day AC, Angunawela RI, Allan BDS. Blow-back technique for confirmation of peripheral iridectomy patency, Journal of Cataract & Refractive Surgery: November 2008, 34(11). 1832-1833

Malik NM, Day AC, Clifton A, Wren D (2007) Weber’s Syndrome as the Presenting Sign of Multiple Sclerosis, Neuro-Ophthalmology, 31:1, 15-17.

Muthiah MN, Day AC, Singh RP, Malik N, Adams ME, Olver JM. Frontal sinus pneumocoele: a rare cause of orbital emphysema. Clin Exp Ophthalmol. 2007 Nov;35(8):772-3. doi: 10.1111/j.1442-9071.2007.01584.x. PMID: 17997786.

Kalev-Landoy M, Day AC, Cordeiro MF, Migdal C. Optical coherence tomography in anterior segment imaging. Acta Ophthalmol Scand. 2007 Jun;85(4):427-30. doi: 10.1111/j.1600-0420.2007.00876.x. Epub 2007 Mar 13. PMID: 17355288; PMCID: PMC2603270.

Day AC, Ramkissoon Y, George S, Corbett MC. Traumatic dislocation of an iris-fixated phakic intraocular lens. Eye (Lond). 2007 Jan;21(1):121-2. doi: 10.1038/sj.eye.6702425. Epub 2006 Jun 2. PMID: 16751760.

Day A, Seward, H. Delayed radial keratotomy dehiscence following uneventful phacoemulsification cataract surgery. Eye, 2007. 21, 886–887

Day A, Davies N. Reply to T Rimmer and W Wyke: Quicker painless diabetic laser. Eye. 2007. 21, 140–141.

Day AC, Ramkissoon YD, George S, Corbett MC. Don’t forget Gonococcus! Eye (Lond). 2006 Dec;20(12):1400-2. doi: 10.1038/sj.eye.6702249. Epub 2006 Feb 24. PMID: 16498440.

Day A, Malik N. Giant cell arteritis presenting as painful third nerve palsy. British Journal of Hospital Medicine. 2006;67(7):383.

Day A, Carp G. Response to Thyagarajan et al’s audit: “An audit of corneal abrasion management following the introduction of local guidelines in an accident and emergency department.” Emergency Medicine Journal 2006;23:959.

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