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Publication


Featured researches published by P. Hykin.


Journal of Cataract and Refractive Surgery | 2007

Intraoperative use of intravitreal triamcinolone in uveitic eyes having cataract surgery: Pilot study

Narciss Okhravi; Ainsley Morris; Howe Sen Kok; Victor Menezo; Jonathan Dowler; P. Hykin; Susan Lightman

PURPOSE: To report the outcomes of cataract extraction with intraoperative intravitreal triamcinolone (IVTA) in eyes with a history of posterior uveitis. SETTING: Moorfields Eye Hospital Uveitis Service, London, United Kingdom. METHODS: Nineteen eyes of 17 patients with posterior uveitis thought to require systemic corticosteroid prophylaxis for cataract surgery were included. The use of systemic corticosteroids at the time of surgery would have been problematic in 7 of the patients, who had a history of systemic hypertension. Three of the 7 patients were also diabetic. All patients were not happy about using oral corticosteroids. RESULTS: Median visual acuity 1 day after surgery was 20/40 (range 20/20 to counting fingers). At final follow‐up (mean 25.2 months; range 7 to 41 months), 17 eyes (89.5%) eyes achieved visual acuity of 20/40 or better; 2 eyes failed to achieve a final visual acuity of 20/40 or better, 1 as a result of optic atrophy and the other as a result of macular edema. No patient lost acuity and no eye developed macular edema within 4 months of surgery. Intraocular pressure elevation occurred after surgery in 3 eyes; all were controlled by topical medication that was discontinued after 3 months. One patient developed severe intraocular inflammation after surgery that resolved with intensive topical corticosteroid therapy within 1 week. CONCLUSIONS: Cataract extraction by phacoemulsification with concurrent IVTA appears a useful treatment option. Targeted delivery of corticosteroid is achieved without the risks of systemic corticosteroid prophylaxis. The incidence of postoperative macular edema was markedly reduced. Levels of visual acuity after cataract surgery, similar to those in eyes without uveitis, were achieved in eyes with posterior uveitis.


Investigative Ophthalmology & Visual Science | 2010

Retrospective Long-Term Review of Vitrectomy for Diabetic Macular Edema

Jignesh I Patel; Rathie Rajendram; Zdenek J. Gregor; P. Hykin


Investigative Ophthalmology & Visual Science | 2010

The Management of Choroidal Neovascularisation Associated With Angioid Streaks With Intravitreal Bevacizumab

V. Sivagnanavel; G. Banerjee; Peter Kf Addison; Vasilios P. Papastefanou; Adnan Tufail; P. Hykin


Investigative Ophthalmology & Visual Science | 2009

Macular Perfusion Determined by Fundus Fluorescein Angiography at the 4 Month Time Point in a Prospective Randomised Trial Comparing Intravitreal Bevacizumab With Laser Therapy in the Management of Diabetic Macular Oedema

Michel Michaelides; Robin Hamilton; Andrew Kaines; Samantha Fraser-Bell; C. Egan; Tunde Peto; P. Hykin


Investigative Ophthalmology & Visual Science | 2008

Diabetic Macular Oedema: A Prospective Randomised Trial of Management With Intravitreal Bevacizumab (avastin) versus Conventional Laser Therapy: A Description of Methodology

Andrew Kaines; Samantha Fraser-Bell; M. Michelaelides; C. Egan; P. Hykin


Investigative Ophthalmology & Visual Science | 2008

Intravitreal Pegaptanib Sodium for Choroidal Neovascularization Secondary to Age-Related Macular Degeneration- A Pan-European Experience

Sobha Sivaprasad; A. Saeed; Stephen Beatty; J. L. Olea; Salvatore Grisanti; C. Rosina; Giovanni Staurenghi; P. Hykin


Investigative Ophthalmology & Visual Science | 2007

The Angiopoietin/Tie-2 System Regulates the Actin Cytoskeleton in Retinal Pericytes

Jiyang Cai; Michael E. Boulton; P. Hykin


Investigative Ophthalmology & Visual Science | 2006

A Randomised Trial of Intravitreal Triamcinolone verses Macular Laser Therapy for Persistent Clinically Significant Diabetic Macular Oedema

Z.K. Ockrim; S. Senswathi; S. Falk; F. Ojeda; M. Schadt; Zdenek J. Gregor; P. Hykin


Investigative Ophthalmology & Visual Science | 2006

Method Agreement With Stratus OCT Fast and Slow Macular Scanning Protocols in Eyes With Diabetic Macular Oedema

Felicia Ikeji; E. White; Kanom Bibi; Catey Bunce; P. Hykin


Investigative Ophthalmology & Visual Science | 2006

The Effect of Visual Acuity in Patients With Diabetic Macular Oedema on the Agreement Between Fast and Slow Macula Scan Protocols for the Stratus OCT

E. White; Felicia Ikeji; Catey Bunce; P. Hykin

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C. Egan

Moorfields Eye Hospital

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E. White

Moorfields Eye Hospital

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Z.K. Ockrim

Moorfields Eye Hospital

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Andrew Kaines

University of California

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