Say Aun Quah

Say Aun Quah
East Cheshire NHS Trust · Ophthalmology Department

MB BCh BAO PGDip CRS FRCOphth

About

26
Publications
2,387
Reads
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261
Citations
Additional affiliations
May 2001 - November 2006
Royal Liverpool and Broadgreen University Hospitals NHS Trust
Position
  • Specialist Registrar in Ophthalmology

Publications

Publications (26)
Article
Full-text available
Aim: To evaluate the refractive outcome of Toric Lentis Mplus intraocular lens (IOL) implant. Methods: This is a retrospective case series. Consecutive patients with corneal astigmatism of at least 1.5 D had Toric Lentis Mplus IOL implant during cataract surgery. The exclusion criteria included irregular astigmatism on corneal topography, large...
Conference Paper
Full-text available
Purpose To compare the refractive and visual outcome after implantation of Lentis MPlus (Oculentis) multifocal intraocular lens (IOL) when applying LENSAR femtosecond laser for capsulotomy and crystalline lens fragmentation versus performing these steps manually by a single surgeon (who performs >800 cataract surgeries per annum). Methods In a r...
Article
To compare the refractive and visual outcomes of combined penetrating keratoplasty and cataract surgery (triple procedure) with those of sequential surgery (penetrating keratoplasty followed by secondary cataract extraction and posterior chamber intraocular lens implantation). Forty-six consecutive patients undergoing triple procedure or sequential...
Article
A 35-year-old man presented with keratoconus; his best corrected visual acuities were -18.00/+10.00 ×180 (6/60) oculus dexter and -10.00/+8.00 ×5 (6/36) oculus sinister. Bilateral steep central corneal thinning, paracentral ectasia and Vogts striae were present. Normal fundi. Corneal topography disclosed 7.4 dioptres of irregular astigmatism in the...
Article
A 35-year-old man with best corrected visual acuities of -18.00/+10.00×180 (6/60) OD and -10.00/+8.00×5 (6/36) OS. Bilateral steep central corneal thinning, paracentral ectasia and Vogts striae were present; normal fundi. Corneal topography disclosed 7.4 dioptres of irregular astigmatism in the central 3 mm with thinning (335 μm). Electroretinograp...
Article
Full-text available
A solution of perfluorohexyloctane and silicone oil with a specific gravity of 1.06 g/cm3 (Densiron-68) has similar properties as conventional silicone oil (SO) in terms of the shape of the bubble and its ability to act as an internal tamponade agent. We conducted a case–control study to compare the postoperative intraocular pressure (IOP) in patie...
Article
Full-text available
To report a case of severe conjunctival-corneal melt in association with carotid artery stenosis. Observational case report. A 76-year-old man with a history of bilateral severe carotid artery occlusion and nonarteritic ischemic optic neuropathy developed a spontaneous bulbar conjunctival defect. Despite intensive lubrication, and attempts at surgi...
Article
The ability to perform biometry accurately on a dilated pupil can greatly facilitate the efficiency of a cataract service as it can be done on the day of surgery. The purpose of this study was to assess the repeatability of axial length (AL) calculations in undilated pupils and measure the difference in predicted and actual refractive outcomes in d...
Article
Esthesioneuroblastoma (olfactory neuroblastoma) is an uncommon malignant neoplasm of the nasal cavity and paranasal sinus region. Close proximity to the brain and visual apparatus can lead to significant morbidity. Ophthalmic manifestations are not common. This report is of an unusual presentation of this tumour with rapid locoregional spread.
Article
Full-text available
To determine the elimination kinetics of intracameral vancomycin administered as a bolus injection at the end of phacoemulsification cataract surgery. Vancomycin 1 mg/0.1 ml saline solution was administered to 19 patients by intracameral bolus injection at the end of routine cataract surgery. The aqueous concentration of vancomycin was determined i...
Article
Full-text available
There are a few reports of the use of voriconazole for the treatment of fungal keratitis.1–5 We report another case of its apparent success in Aspergillus fumigatus keratitis and discuss the dilemma of prescribing an expensive drug in the absence of defined ophthalmic therapeutic levels. A 51 year old diabetic man presented a week after being poke...
Article
Full-text available
To test the agreement of intraocular pressure (IOP) measurements made with Luneau SA applanators and Goldmann applanator. A single-blind crossover trial. IOPs were measured in both eyes of subjects with both applanators. Type of applanator was alternated to eliminate systematic bias. Multiple observers were used. Observers were blind to the scale w...
Article
Choroidal neovascularisation affecting the macula is a leading cause of visual loss. This report describes a case of severe visual loss due after laser photocoagulation for a peripapillary choroidal neovascularisation with chroidal folds with foveal involvement.
Article
To report two cases of refractory vernal ulcers in which the fitting of a large-diameter (22 mm) hydrogel (Contaflex T75) bandage contact lens (BCL) ameliorated the signs and symptoms of the condition. Two patients with refractory vernal ulcers are described. Mechanisms of the effect of a large-diameter lens across the ocular surface are discussed...
Article
AbstractA 62-year-old man presented with bilateral diffuse uveal melanocytic proliferations (BDUMP) and painful flexor contractures of the fingers of both hands. All these features were considered paraneoplastic but extensive and repeated investigations revealed no underlying malignancy. Oral steroids and orbital radiotherapy were ineffective. The...
Article
A 62-year-old man presented with bilateral diffuse uveal melanocytic proliferations (BDUMP) and painful flexor contractures of the fingers of both hands. All these features were considered paraneoplastic but extensive and repeated investigations revealed no underlying malignancy. Oral steroids and orbital radiotherapy were ineffective. The diagnosi...
Article
Full-text available
A true pterygium is a degenerative and hyperplastic process in which the cornea is invaded by a triangular fold of bulbar conjunctiva. Duke-Elder states that the pterygium when single is almost invariably found on the nasal side.1 The literature on pterygium is abundant and almost from the beginning the emphasis has been placed on its location on t...
Article
To determine binocular visual field (BVF) changes after strabismus surgery in children with large angle esotropia, and whether these changes can be predicted, using a prism to correct the preoperative angle of deviation. Monocular visual field (MVF) and BVF were measured by Goldmann perimetry in healthy adults (n = 6) using a range of prisms. Visua...

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