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The 5 Rs of Examining the Optic Disc (Malik Y. Kahook, MD) 

Malik Kahook
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This lecture covers the basics of examining the optic disc using the 5Rs. While a great deal of knowledge has been gained since the first introduction of the FORGE I lecture, I still find this information valuable for both trainees as well as seasoned eye care professionals. I tried to follow the original transcript as closely as I could with some minor additions.
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References:
Colon-Emeric CS, Biggs DP, Schenck AP, Lyles KW. Risk factors for hip fracture in skilled nursing facilities: who should be evaluated? Osteoporos Int. 2003;14:484-489.
Guse CE, Porinsky R. Risk factors associated with hospitalization for unintentional falls: Wisconsin hospital discharge data for patients aged 65 and over. WMJ. 2003;102:37-42.
McGwin G, Jr., Owsley C, Ball K. Identifying crash involvement among older drivers: agreement between self-report and state records. Accid Anal Prev. 1998;30:781-791.
Harizman N, Oliveira C, Chiang A, Tello C, Marmor M, Ritch R, Liebmann JM. The ISNT rule and differentiation of normal from glaucomatous eyes. Arch Ophthalmol. 2006 Nov;124(11):1579-1583.
**Added information on peripapillary atrophy: www.ncbi.nlm.nih.gov/pmc/arti...
#Glaucoma #Eye #orbis #cybersight #OpticDisc #ophthalmology #ophthalmologyresident #ophthalmologylife #glaucomaawareness #glaucomatoday #eyedoctor #eyedoc

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28 июн 2024

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Комментарии : 9   
@RRDeshpande
@RRDeshpande Месяц назад
Beautiful! Clear, concise & simple to remember. Thank you!
@kamranrahmatnejad5640
@kamranrahmatnejad5640 4 года назад
Excellent presentation. Thank you Dr. Kahook.
@salhasaeed6304
@salhasaeed6304 8 дней назад
Thank you
@hw5176
@hw5176 3 года назад
Great video. Very well explained 👏
@sheimelteb6764
@sheimelteb6764 Год назад
Excellent vedio, simple and conclusive Thank you
@saadalosemi
@saadalosemi Год назад
Excellent mnemonic thanks 🙏🏻
@hayatal-shaibani300
@hayatal-shaibani300 2 года назад
Sooooo helpful
@bako3197
@bako3197 3 месяца назад
Hi, how to measure diameter of optic disc in slit lamp?
@malikkahook9368
@malikkahook9368 3 месяца назад
eyewiki.aao.org/Examination_of_the_Optic_Nerve_at_the_Slit-Lamp_Biomicroscope_with_a_Handheld_Lens The dimensions of the disc should be measured along its long axis making sure to account for the magnification factor of the lens being used - x1.00, x1.08, and x1.32 for the Volk Super 66, 78, and 90 diopter lenses, respectively. Other methods for determining disc size includes using the 5 degree aperture on the direct ophthalmoscope that closely approximates the size of a normal disc. Also, confocal scanning laser ophthalmoscopes can provide detailed measurements during examination. Care should be taken not to include the zones around the disc in the measurement such as the scleral lip or the zones of alpha and beta atrophy (see Step 7).
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