IIUM Repository

Dr Firdaus Yusof

Optometry and Visual Science

Kulliyyah of ALlied Health Sciences

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Latest Additions

  1. Zaman, Zaidatul Khadijah and Hajar Maidin, Mohamad Hanif and Yusof @ Alias, Firdaus and Badarudin, Noor Ezailina and Zahari, Ilyanoon (2024) Coloured contact lens impact on visual function and ocular surface integrity: legit vs non-legit sources contact lenses. International Journal of Allied Health Sciences, 8 (5). pp. 264-269. E-ISSN 2600-8491
  2. Hailamir, Nurfara A'inn and Abdul Rahim, Muhammad Afzam Shah and Yusof @ Alias, Firdaus (2024) An investigation on the correlation between axial length values obtained via Lenstar LS900 and axial length estimator. International Journal of Allied Health Sciences, 8 (5). pp. 224-230. E-ISSN 2600-8491
  3. Hamdan, Noor Azian and Mohmad Sabere, Awis Sukarni and Ruslan, Aida Hazira and Buari, Noor Halilah and Abdul Rahim, Muhammad Afzam Shah and Che Azemin, Mohd Zulfaezal and Yusof @ Alias, Firdaus (2024) The short-term effects of coffee and caffeine on intraocular pressure in healthy subjects. Journal of Health Science and Medical Research, 42 (6). pp. 1-9. ISSN 2586-9981 E-ISSN 2630-0559
  4. Ayob, Aina Afiqah and Mohamad Ares, Nur Diyana and Abdul Rahman, Nur Syahirah and Zahari, Ilyanoon and Abdul Rahim, Muhammad Afzam Shah and Yusof @ Alias, Firdaus (2025) Choroidal modulations following water drinking test (WDT) as measured using Swept-source Optical Coherence Tomography (SS-OCT). Asian Journal of Medicine and Biomedicine, 9 (S1). pp. 12-14. E-ISSN 2600-8173
  5. Abd Karim, Aina Balqis and Ahmad Yusof @ Hanafi, Hanani and Saad Al Saadoun, Aisyah and Abdul Rahim, Muhammad Afzam Shah and Buari, Noor Halilah and Yusof @ Alias, Firdaus (2024) Microbial contamination and biofilm formation in ophthalmic solutions and ophthalmic instruments at optometry practice. International Journal of Allied Health Sciences, 8 (5). pp. 250-257. E-ISSN 2600-8491
  6. Mohd Noordin, Amirul Asraf and Che Azemin, Mohd Zulfaezal and Musa, Arni and Abdul Rahim, Muhammad Afzam Shah and Shafee, Noor Wafirah and Ahmad, Norsham and Md Mustafa, Md Muziman Syah and Yusof @ Alias, Firdaus (2023) Peek acuity as an alternative method for visual acuity measurement for vision screening in children. International Journal of Allied Health Sciences, 7 (5). pp. 355-362. E-ISSN 2600-8491
  7. Abdul Razik, Abdul Halim and Yusof@Alias, Firdaus and Buari, Noor Halilah (2023) Process systems engineering for sustainable photographic lens production: a review. In: 2nd Process Systems Engineering and Safety (ProSES) Symposium 2021, 1st December 2021, University Malaysia Pahang.
  8. Yusof, Firdaus and Tayyari, Faryan and Flanagan, John G and Hudson, Christopher (2012) Age effects on retinal blood flow assessed using spectral-domain optical coherence tomography doppler. Investigative ophthalmology & visual science, 53 (14). p. 6865. ISSN 0146-0404 E-ISSN 1552-5783
  9. Hudson, Christopher and Espahbodi, Nadia and Shahidi, Ayda M and Yusof @ Alias, Firdaus and Cheng, Richard and Jong, Monica and Trope, Graham and Buys, Yvonne M and Flanagan, John G (2014) Retinal blood flow in patients with primary open angle glaucoma and optic disc hemorrhage. Investigative ophthalmology & visual science, 55 (13). p. 2932. ISSN 0146-0404 E-ISSN 1552-5783
  10. Yusof @ Alias, Firdaus and Cheng, Richard and Espahbodi, Nadia and Khuu, Lee-Anne and M Buys, Yvonne and Trope, Graham and Hudson, Christopher and Flanagan, John G (2014) Evaluation of the retinal hemodynamics in patients with primary open angle glaucoma and differing nocturnal blood pressure profiles. Investigative ophthalmology & visual science, 55 (13). p. 3552. ISSN 0146-0404 E-ISSN 1552-5783
  11. Flanagan, John G and Yusof @ Alias, Firdaus and Cheng, Richard and Tayyari, Faryan and Espahbodi, Nadia and Khuu, Lee-Anne and M Buys, Yvonne and Trope, Graham and Hudson, Christopher (2014) The relationship between retinal nerve fibre layer thickness and total retinal blood flow in primary open angle claucoma. Investigative Ophthalmology & Visual Science, 55 (13). p. 953. ISSN 0146-0404 E-ISSN 1552-5783
  12. Ibrahim, Nura Syahiera and Ahmad, Norsham and Yusof @ Alias, Firdaus (2019) Impacts of induced monocular blur on visual functions. International Journal of Allied Health Sciences, 3 (3).
  13. Sidek, Nur 'Izzati and Yusof @ Alias, Firdaus (2021) The repeatability of smith's method in measuring anterior chamber depth. International Journal of Allied Health Sciences, 5 (3). p. 2262. E-ISSN 2600-8491
  14. Abdul Rahman, Nur Syahirah and Mohamad Ares, Nur Diyana and Ayob, Aina Afiqah and Yusof @ Alias, Firdaus (2021) The mechanical effect of valsalva maneuver (vm) on anterior lamina cribrosa: an analysis using swept source optical coherence tomography (ss-oct). International Journal of Allied Health Sciences, 5 (3). p. 2243. E-ISSN 2600-8491
  15. Cheng, Richard W and Yusof, Firdaus and Tsui, Edmund and Jong, Monica and Duffin , James and Flanagan, John G and Fisher, Joseph A and Hudson, Christopher (2016) Relationship between retinal blood flow and arterial oxygen. The Journal of Physiology , 594 (3). pp. 625-640. ISSN 0022-3751 E-ISSN 1469-7793
  16. Flanagan, John G and Yusof, Firdaus and Cheng, Richard and Tayyari, Faryan and Espahbodi, Nadia and Khuu, Lee-Anne and Buys, Yvonne M and Trope, Graham and Hudson, Christopher (2014) The relationship between retinal nerve fiber layer thickness and total retinal blood flow in primary open angle glaucoma. In: ARVO 2014, May 4 – 8, 2014, Orlando, FL, USA. (Unpublished)
  17. Yusof, Firdaus and Cheng, Richard and Espahbodi, Nadia and Khuu, Lee-Anne and Buys, Yvonne M and Trope, Graham and Hudson, Christopher and Flanagan, John G (2014) Evaluation of the retinal hemodynamics in patients with primary open angle glaucoma and differing nocturnal blood pressure profiles. In: ARVO 2014 Annual Meeting , May 6th, 2014, Orlando, FL, USA.
  18. Hudson, Christopher and Espahbodi, Nadia and Shahidi, Ayda M and Yusof, Firdaus and Cheng, Richard and Jong, Monica and Graham, Trope and Buys, Yvonne M and Flanagan, John G (2014) Retinal blood flow in patients with primary open angle glaucoma and optic disc hemorrhage. In: ARVO Annual Meeting 2014, May 6th, 2014, Orlando, FL, USA.
  19. Tayyari, Faryan and Yusof @ Alias, Firdaus and Vymyslicky, Michal and Flanagan, John G and Hudson, Christopher (2014) Variability and repeatability of quantitative, SD-OCT doppler blood flow in young and elderly healthy subjects. Investigative Ophthalmology & Visual Science, 55 (12). pp. 7716-7725. ISSN 0146-0404
  20. Yusof @ Alias, Firdaus and Tayyari, Faryan and Flanagan, John G and Hudson, Christopher (2012) Age effects on retinal blood flow assessed using spectral-domain optical coherence tomography doppler. In: ARVO 2012 Annual Meeting, 10 May 2012, Fort Lauderdale, FL, USA.

Most Viewed Items

Item titleViews
1Variability and repeatability of quantitative, fourier-domain optical coherence tomography doppler blood flow in young and elderly healthy subjects823
2Relationship between retinal blood flow and arterial oxygen815
3Age effects on retinal blood flow assessed using spectral-domain optical coherence tomography doppler783
4The relationship between retinal nerve fiber layer thickness and total retinal blood flow in primary open angle glaucoma.764
5Variability and repeatability of quantitative, SD-OCT doppler blood flow in young and elderly healthy subjects741
6Grader learning effect and reproducibility of doppler spectral-domain optical coherence tomography derived retinal blood flow measurements712
7Evaluation of the retinal hemodynamics in patients with primary open angle glaucoma and differing nocturnal blood pressure profiles696
8Retinal blood flow in patients with primary open angle glaucoma and optic disc hemorrhage675
9Age effects on retinal blood flow assessed using spectral-domain optical coherence tomography doppler467
10Impacts of induced monocular blur on visual functions462
11Retinal blood flow in patients with primary open angle glaucoma and optic disc hemorrhage.441
12The mechanical effect of valsalva maneuver (vm) on anterior lamina cribrosa: an analysis using swept source optical coherence tomography (ss-oct)435
13The relationship between retinal nerve fibre layer thickness and total retinal blood flow in primary open angle claucoma434
14Evaluation of the retinal hemodynamics in patients with primary open angle glaucoma and differing nocturnal blood pressure profiles416
15The repeatability of smith's method in measuring anterior chamber depth390
16Process systems engineering for sustainable photographic lens production: a review292
17Peek acuity as an alternative method for visual acuity measurement for vision screening in children256
18Coloured contact lens impact on visual function and ocular surface integrity: legit vs non-legit sources contact lenses59
19Microbial contamination and biofilm formation in ophthalmic solutions and ophthalmic instruments at optometry practice53
20The short-term effects of coffee and caffeine on intraocular pressure in healthy subjects42
21An investigation on the correlation between axial length values obtained via Lenstar LS900 and axial length estimator38
22Choroidal modulations following water drinking test (WDT) as measured using Swept-source Optical Coherence Tomography (SS-OCT)20