Hyung-Woo Kwak, MD » Miscellaneous

  • Sector Retinitis Pigmentosa

    Mar 13 2014 by Hyung-Woo Kwak, MD

    Fundus photograph of an 57-year-old woman with a sector retinitis pigmentosa. Regionalized areas of bone spicule pigmentation is in the inferior quadrants of the retina.

    Photographer: Missok Lee, Kyung Hee University Hospital, Seoul, Korea

    Imaging device: Zeiss F450 Plus

    Condition/keywords: sector retinitis pigmentosa

  • Sector Retinitis Pigmentosa

    Mar 13 2014 by Hyung-Woo Kwak, MD

    Fundus photograph of an 57-year-old woman with a sector retinitis pigmentosa. Regionalized areas of bone spicule pigmentation is in the inferior quadrants of the retina.

    Photographer: Missok Lee, Kyung Hee University Hospital, Seoul, Korea

    Imaging device: Zeiss F450 Plus

    Condition/keywords: sector retinitis pigmentosa

  • Sector Retinitis Pigmentosa

    Mar 13 2014 by Hyung-Woo Kwak, MD

    Wide field infrared image of an 57-year-old woman with a sector retinitis pigmentosa. Regionalized areas of bone spicule pigmentation is in the inferior quadrants of the retina.

    Photographer: Missok Lee, Kyung Hee University Hospital, Seoul, Korea

    Imaging device: Heidelberg Spectralis

    Condition/keywords: sector retinitis pigmentosa

  • Sector Retinitis Pigmentosa

    Mar 13 2014 by Hyung-Woo Kwak, MD

    Wide field infrared image of an 57-year-old woman with a sector retinitis pigmentosa. Regionalized areas of bone spicule pigmentation is in the inferior quadrants of the retina.

    Photographer: Missok Lee, Kyung Hee University Hospital, Seoul, Korea

    Imaging device: Heidelberg Spectralis

    Condition/keywords: sector retinitis pigmentosa

  • Metallic Intraocular Foreign Body

    Apr 16 2014 by Hyung-Woo Kwak, MD

    Coronal CT scan of metallic intraocular foreign body (IOFB).

    Photographer: Kyung Hee University Hospital

    Imaging device: CT scan

    Condition/keywords: intraocular foreign body

  • Metallic Intraocular Foreign Body

    Apr 16 2014 by Hyung-Woo Kwak, MD

    Fundus photograph of intraocular foreign body (IOFB) from grass eliminator. IOFB was removed via vitrectomy (20G microforcep).

    Photographer: Kyung Hee University Hospital

    Imaging device: Surgical microscope (Zeiss OPMI LUMERA 700)

    Condition/keywords: intraocular foreign body

  • Cilioretinal Artery Occlusion

    Sep 2 2012 by Hyung-Woo Kwak, MD

    Cloudiness localized to the area of papillomacular bundle normally perfused by retinal vessel.

    Imaging device: Zeiss F450 plus

    Condition/keywords: cilioretinal artery occlusion

  • Candida Endophthalmitis

    Sep 2 2012 by Hyung-Woo Kwak, MD

    A few localized epiretinal infiltrates of fluffy creamy white appearance in both fundus.

    Imaging device: Zeiss F450 plus

    Condition/keywords: candida endophthalmitis

  • Vitelliform Macular Dystrophy

    Sep 2 2012 by Hyung-Woo Kwak, MD

    The typical appearance is of bilateral, round or oval, yellow, symmetrical, subretinal lesions, typically one-third to one-half optic disc diameter in size.

    Imaging device: Zeiss F450 plus

  • Vitelliform Macular Dystrophy

    Sep 2 2012 by Hyung-Woo Kwak, MD

    The typical appearance is of bilateral, round or oval, yellow, symmetrical, subretinal lesions, typically one-third to one-half optic disc diameter in size.

    Imaging device: Zeiss F450 plus

    Condition/keywords: Best disease

  • Chronic Macular Hole

    Sep 2 2012 by Hyung-Woo Kwak, MD

    A large hole with rolled everted edges, adjacent cystoid intraretinal spaces, a shallow rim of subretinal fluids.

    Imaging device: Zeiss F450 plus

    Condition/keywords: macular hole

  • Broad Subretinal Hemorrhage

    Sep 2 2012 by Hyung-Woo Kwak, MD

    A broad blotchy black area underlying the retinal blood vessels with the retina usually elevated the blood.

    Imaging device: Zeiss F450 plus

    Condition/keywords: subretinal hemorrhage

  • Chorioretinal Fold

    Sep 2 2012 by Hyung-Woo Kwak, MD

    Chorioretinal folds are seen as coarse striations of the fovea surface after trauma.

    Imaging device: Zeiss F450 plus

    Condition/keywords: chorioretinal fold

  • Retinitis Pigmentosa

    Sep 2 2012 by Hyung-Woo Kwak, MD

    A mild pigment epithelial atrophy in the mid-periphery with small white dots at the level of the RPE in fundus.

    Imaging device: Zeiss F450 plus

    Condition/keywords: retinitis pigmentosa

  • Central Retinal Vein Occlusion

    Sep 2 2012 by Hyung-Woo Kwak, MD

    Multiple dense, dark, blotchy hemorrhages, cotton-wool spots, and pale optic disc are signs suggestive of retinal ischemia in CRVO.

    Imaging device: Zeiss F450 plus

    Condition/keywords: central retinal vein occlusion (CRVO)

  • Choroidal Hemangioma

    Oct 20 2012 by Hyung-Woo Kwak, MD

    Fundus, ICG, and OCT examination showed a typical chorioretinal scar lying concentric to the optic disc. Typical choroidal rupture was performed after intravitreal gas injection under the diagnosis of submacular hemorrhage caused by trauma, after the absorption of submacular hemorrhage

    Condition/keywords: chorioretinal scar, choroidal rupture, submacular hemorrhage

  • Choroidal Hemangioma

    Oct 20 2012 by Hyung-Woo Kwak, MD

    Fundus, ICG and OCT examination showed a typical chorioretinal scar lying concentric to the optic disc. Typical choroidal rupture was performed after intravitreal gas injection under the diagnosis of submacular hemorrhage caused by trauma, after the absorption of submacular hemorrhage

  • Hypertensive Retinopathy

    Oct 20 2012 by Hyung-Woo Kwak, MD

    The sudden appearance of cotton wool spots with hypertension retinopathy is known as accelerated hypertension. This patient has acute hypertension of rapid onset and measured systolic blood pressure was more than 200mmhg at this time.

    Imaging device: Zeiss F450 plus

    Condition/keywords: cotton wool spots, hypertension

  • Circumscribed Choroidal Hemangioma

    Oct 20 2012 by Hyung-Woo Kwak, MD

    Fundus and OCT examination showed an oval mass at the posterior pole with indistinct margins that blend with surrounding choroid. FA early phase showed hyperfluorescence.

  • Circumscribed Choroidal Hemangioma

    Oct 20 2012 by Hyung-Woo Kwak, MD

    Fundus and OCT examination showed an oval mass at the posterior pole with indistinct margins that blend with surrounding choroid. FA early phase showed hyperfluorescence.

  • Circumscribed Choroidal Hemangioma

    Oct 20 2012 by Hyung-Woo Kwak, MD

    Fundus and OCT examination showed an oval mass at the posterior pole with indistinct margins that blend with surrounding choroid. FA early phase showed hyperfluorescence.

  • Circumscribed Choroidal Hemangioma

    Oct 20 2012 by Hyung-Woo Kwak, MD

    Fundus and OCT examination showed an oval mass at the posterior pole with indistinct margins that blend with surrounding choroid. FA early phase showed hyperfluorescence.

  • Multiple Evanescent White Dot Syndrome (MEWDS)

    Oct 20 2012 by Hyung-Woo Kwak, MD

    Numerous small deep ill-defined, grey-white dot were seen at the posterior pole and mid-periphery. Some lesions showed mild hyperfluorescence in autofluorescence (AF) but were of limited diagnostic value. ICG showed more numerous hypofluorescent spots than are apparent clinically or on AF/FA

    Condition/keywords: hypofluorescent spots, multiple evanescent white dot syndrome (MEWDS)

  • Multiple Evanescent White Dot Syndrome (MEWDS)

    Oct 20 2012 by Hyung-Woo Kwak, MD

    Numerous small deep ill-defined, grey-white dot were seen at the posterior pole and mid-periphery. Some lesions showed mild hyperfluorescence in autofluorescence (AF) but were of limited diagnostic value. ICG showed more numerous hypofluorescent spots than are apparent clinically or on AF/FA

    Condition/keywords: hypofluorescent spots, multiple evanescent white dot syndrome (MEWDS)

  • Multiple Evanescent White Dot Syndrome (MEWDS)

    Oct 20 2012 by Hyung-Woo Kwak, MD

    Numerous small deep ill-defined, grey-white dot were seen at the posterior pole and mid-periphery. Some lesions showed mild hyperfluorescence in autofluorescence (AF) but were of limited diagnostic value. ICG showed more numerous hypofluorescent spots than are apparent clinically or on AF/FA.

    Condition/keywords: hypofluorescent spots, multiple evanescent white dot syndrome (MEWDS)

  • Chorioretinal Fold

    Oct 20 2012 by Hyung-Woo Kwak, MD

    Fundus showed dense, white, well-demarcated, geographical areas of confluent opacification associated with vasculitis. This patients was constantly receiving immunosuppressants after pancreas transplant surgery.

    Condition/keywords: chorioretinal fold

  • Rhegmatous Retinal Detachment

    Oct 20 2012 by Hyung-Woo Kwak, MD

    Fundus showed a large tear in superior bullous retinal detachment.

    Condition/keywords: retinal tear, rhegmatogenous retinal detachment

  • Toxoplasmosis

    Oct 20 2012 by Hyung-Woo Kwak, MD

    This is a typical quiescent toxoplasma scar in the posterior pole. It is sharply circumscribed with retinal hyperpigmentation and pigment epithelial atrophy.

    Condition/keywords: pigment epithelial atrophy, retinal hyperpigmentation, toxoplasmosis

  • Tractional Retinal Detachment

    Oct 20 2012 by Hyung-Woo Kwak, MD

    Observed following Fundus seems like a typical tractional retinal detachment in severe proliferative diabetic retinopathy. But during vitrectomy, another rhegmatous retinal detachment was observed.

  • Choroidal Neovascularization

    Oct 20 2012 by Hyung-Woo Kwak, MD

    This 35-year-old young female patient has drusen-like lesions under the macular in both eyes. Such patients have a considerable risk of developing choroidal neovascular lesions.

    Condition/keywords: choroidal neovascularization (CNV)

  • Choroidal Neovascularization

    Oct 20 2012 by Hyung-Woo Kwak, MD

    This 35-year-old young female patient has drusen-like lesions under the macular in both eyes. Such patients have a considerable risk of developing choroidal neovascular lesions.

    Condition/keywords: choroidal neovascularization (CNV)

  • Central Retinal Artery Occlusion

    Oct 20 2012 by Hyung-Woo Kwak, MD

    This is a typical recent central retinal artery occlusion with a ‘cherry red’ spot at the macula. The patient visited our hospital with sudden visual loss occurred after the filler injection around the eyes.

    Condition/keywords: central retinal artery occlusion (CRAO), cherry red spot

  • Vogt-Koyanagi-Harada Syndrome

    Oct 20 2012 by Hyung-Woo Kwak, MD

    Fundus and OCT examination showed multiple serous retinal detachment.

    Photographer: Hyung Woo Kwak, Department of Ophthalmology, Kyung Hee University Hospital, Seoul, Korea

    Imaging device: Zeiss f 450 plus, Heidelberg Spectralis

    Condition/keywords: serous retinal detachment

  • Vogt-Koyanagi-Harada Syndrome

    Oct 20 2012 by Hyung-Woo Kwak, MD

    Fundus and OCT examination showed multiple serous retinal detachment.

    Photographer: Hyung Woo Kwak, Department of Ophthalmology, Kyung Hee University Hospital, Seoul, Korea

    Imaging device: Zeiss f 450 plus, Heidelberg Spectralis

    Condition/keywords: serous retinal detachment

  • Vogt-Koyanagi-Harada Syndrome

    Oct 20 2012 by Hyung-Woo Kwak, MD

    Fundus and OCT examination showed multiple serous retinal detachment.

    Photographer: Hyung Woo Kwak, Department of Ophthalmology, Kyung Hee University Hospital, Seoul, Korea

    Imaging device: Zeiss f 450 plus, Heidelberg Spectralis

    Condition/keywords: serous retinal detachment

  • Choroidal rupture

    Jan 11 2013 by Hyung-Woo Kwak, MD

    There is a yellow or white crescent-shaped subretinal streak concentric with the optic nerve.

    Photographer: Misook Lee, Kyung Hee Univsersity Hospital, Seoul

    Imaging device: Zeiss f 450 plus

    Condition/keywords: choroidal rupture

  • Stargardt’s disease

    Jan 11 2013 by Hyung-Woo Kwak, MD

    Retinal pigment epithelium atrophy in the posterior pole bilaterally.

    Photographer: Misook Lee, Kyung Hee Univsersity Hospital, Seoul

    Imaging device: Zeiss f 450 plus

  • Stargardt’s disease

    Jan 11 2013 by Hyung-Woo Kwak, MD

    Retinal pigment epithelium atrophy in the posterior pole bilaterally.

    Photographer: Misook Lee, Kyung Hee Univsersity Hospital, Seoul

    Imaging device: Zeiss f 450 plus

    Condition/keywords: Stargardt disease

  • Myopic fundus

    Jan 11 2013 by Hyung-Woo Kwak, MD

    Myopic fundus reveals yellow-colored lacquer cracks and peripapillary atrophy. There was visible choroidal vessel due to thin retina.

    Photographer: Misook Lee, Kyung Hee Univsersity Hospital, Seoul

    Imaging device: Zeiss f 450 plus

    Condition/keywords: myopic fundus

  • Coats disease

    Jan 11 2013 by Hyung-Woo Kwak, MD

    Fundus imaging shows hemorrhage and hard exudates from leaking blood vessel.

    Photographer: Taegi Kim, Kyung Hee Univsersity Hospital, Seoul

    Imaging device: Zeiss f 450 plus

    Condition/keywords: argon photocoagulation

  • Benign Melanocytoma of the Optic Disc

    Jan 11 2013 by Hyung-Woo Kwak, MD

    Fundus photography of optic disc showing a dark pigmented lesion.

    Photographer: Dongho Kang, Kyung Hee Univsersity Hospital, Seoul

    Imaging device: Zeiss f 450 plus

    Condition/keywords: benign melanocytoma

  • White Dot Syndrome

    Jan 11 2013 by Hyung-Woo Kwak, MD

    The fundus showed multiple scattered white spots

    Photographer: Misook Lee, Kyung Hee Univsersity Hospital, Seoul

    Imaging device: Zeiss f 450 plus

    Condition/keywords: white dot syndrome

  • Large retinal dialysis with retinal detachment

    Jan 11 2013 by Hyung-Woo Kwak, MD

    A bullous retinal detachment result from from giant retinal dialysis (2 o’clock position) and retinal tear (7 o’clock).

    Photographer: Misook Lee, Kyung Hee Univsersity Hospital, Seoul

    Imaging device: Zeiss f 450 plus

    Condition/keywords: retinal detachment, retinal dialysis

  • Bruch’s membrane rupture

    Jan 11 2013 by Hyung-Woo Kwak, MD

    An area of Bruch’s membrane rupture involving the fovea is seen on color photograph (left).

    Photographer: Misook Lee, Kyung Hee Univsersity Hospital, Seoul

    Imaging device: Zeiss f 450 plus

    Condition/keywords: myopic choroidal neovascularization (CNV)

  • Bruch’s membrane rupture

    Jan 11 2013 by Hyung-Woo Kwak, MD

    An area of Bruch’s membrane rupture involving the fovea is seen on indocyanine green angiography: late phase (right).

    Photographer: Misook Lee, Kyung Hee Univsersity Hospital, Seoul

    Imaging device: Zeiss f 450 plus

    Condition/keywords: Bruch's membrane, myopic choroidal neovascularization (CNV)