Sunday, August 19, 2007
Tuesday, August 7, 2007
A BRANCH RETINAL ARTERY OCCLUSION IS A CONDITION (AS ITS NAME IMPLIES) WHERE
A SPECIFIC BRANCH ARTERY IN THE RETINA IS BLOCKED OR OCCLUDED . AS ONE MIGHT EXPECT,
ISCHEMIA, ATROPHY AND ULTIMATELY LOSS OF SIGHT ARE THE RESULTS OF THE BRAO.
Posted by h o d g e g r i f f o n e at 4:28 PM 0 comments
Monday, August 6, 2007
HERE IS ANOTHER PHOTO MONTAGE OF A PATIENT
PRESENTING WITH HONEY-COMB-LIKE DRUSEN IN THE
SUPERIOR, NASAL, AND INFERIOR ASPECTS OF THE RIGHT EYE.
Posted by h o d g e g r i f f o n e at 4:31 PM 0 comments
Tuesday, July 17, 2007
TECHNICAL DIFFICULTIES
Posted by h o d g e g r i f f o n e at 10:04 PM 0 comments
Sunday, July 8, 2007
PHOTO MONTAGE III: NPDR
HERE IS YET ANOTHER PATIENT WITH DIABETIC RETINOPATHY - NON PROLIFERATIVE DIABETIC RETINOPATHY (NPDR) TO BE EXACT. NOTE THE 'DOT AND BLOT' HEMORHAGES IN BOTH EYES AS WELL AS 'GHOST CAPILLARIES' IN BOTH MACULAS. (click to enlarge)BELOW ARE LATE PHASE ANGIOGRAPHIC MONTAGES OF EACH EYE.
Posted by h o d g e g r i f f o n e at 11:31 AM 0 comments
keywords: angiogram, DIABETIC RETINOPATHY, montage, nve
Sunday, July 1, 2007
WE TYPICALLY TAKE EXTERNAL PHOTOS WITH A DIGITAL SLR TO DOCUMENT
CONDITIONS TO BE TREATED WITH COSMETIC SURGICAL PROCEDURES. THIS
PHOTO OF AN ECTROPION LEFT LOWER LID WAS CAPTURED WITH A
NIKON D50, 105MM LENS, AND SB-600 SPEEDLIGHT
MOST COMMON IN PATIENTS OVER 60, THE ECTROPION IS THE RESULT OF A LACK
OF TONE N THE MUSCLES THAT KEEP THE LID TAUGHT AGAINST THE EYE.
EXCESSIVE TEARING AND IRRITATION ARE PRIMARY SYMPTOMS,
HOWEVER CONSTANT WIPING OF THE EYE CAN MAKE THE CONDITION WORSE.
THIS PATIENT WILL UNDERGO A blepharoplasty ectropion repair TO TIGHTEN THE LID BACK UP.
Posted by h o d g e g r i f f o n e at 10:48 AM 0 comments
keywords: BLEPHAROPLASTY, ECTROPION, EXTERNAL PHOTO, EYE LID REPAIR
Saturday, June 30, 2007
(SUPERIOR TEMPORAL TO THE OPTIC DISC) IN THE RETINA ABOVE?
(a) A NEVUS
(b) A BENIGN NEOPLASM
(c) A MELANOMA
(d) A CARCINOMA
THE RETINA WHICH IS INDICATIVE OF A
(b) BENIGN (CHOROIDAL) NEOPLASM.
Posted by h o d g e g r i f f o n e at 1:25 PM 0 comments
keywords: angiography, FUNDUS PHOTO, neoplasm
Thursday, June 28, 2007
HERE IS AN ANGIOGRAM I DID LAST WEEK AT OUR FAYETTEVILLE CLINIC. THE COLOR PHOTO
WENT SMOOTHLY ENOUGH, BUT THE ACTUAL F.A. DIDN'T FAIR SO COOLLY. I CHANGED THE LIGHT
SOURCE TO THE GREEN-BLUE LIGHT (490 NM), BUT DIDN'T CHANGE THE DIGITAL CAPTURE SETTINGS
TO BLACK AND WHITE.THE RESULT IS THE GREEN FLUORESCEIN ANGIOGRAM (G.F.A.)
Posted by h o d g e g r i f f o n e at 4:34 PM 0 comments
keywords: angiogram, ART, BLOOPERS, G.F.A.PHOTOSHOP
Sunday, June 24, 2007
I HAD A PRETTY DECENT WEEK, LAST WEEK, REGARDING THE ANGIOGRAPHY I AM
LEARNING AT CAROLINA EYE. HERE IS A SAMPLING OF THE WORK I DID LAST WEEK.
PIGMENT EPITHELIAL DETACHMENT WITH A PROBABLE OCCULT SUBRETINAL NEOVASCULAR MEMBRANE
THEIR MENTORING HAS BEEN THE KEY TO MY DEVELOPMENT AND SUCCESS.
Posted by h o d g e g r i f f o n e at 2:37 PM 2 comments
keywords: angiography, DRUSEN, DRY AGE RELATED MACULAR DEGENERATION, PATHOLOGIC MYOPIA, PERIPAPILLARY ATROPHY, PIGMENT EPITHELIAL DETACHMENT, SUBRETINAL NEOVASCULAR MEMBRANE
Saturday, June 23, 2007
HERE IS A SLITLAMP PHOTO OF AN ANTERIOR CHAMBER INTER-OCULAR LENS.
IN FRONT OF THE IRIS. AS YOU CAN SEE, THE LENS IS HELD INTO PLACE BY TWO PLASTIC
'BRACKETS' (SHOWN IN THE PHOTO AT THE TOP AND BOTTOM OF THE LENS ITSELF.) THIS
TYPE OF LEN REPLACEMENT IS NO LONGER AS COMMON AS POSTERIOR CHAMBER INTER
OCULAR LENS (PC IOL), BUT IS (OBVIOUSLY) STILL USED IN SOME CASES.
Posted by h o d g e g r i f f o n e at 3:03 PM 0 comments
keywords: ACIOL, CATARACT SURGERY, IOL, LENS REPLACEMENT, PCIOL, slitlamp
DRUSEN IS A BUILD-UP OF LIPID AND PROTEIN MATERIAL BETWEEN THE RETINAL
PIGMENT EPITHELIAL (RPE) AND THE CHORIOCAPILLARIS LAYERS OF THE RETINA.
THE PALE YELLOW/WHITE SPOTS IN THE COLOR AND RED-FREE PHOTOS BELOW ARE DRUSEN.
OF DRUSEN AND WHETHER IT IS A SYMPTOM OF OR A PRECURSOR TO ARMD IS NOT COMPLETELY CLEAR.
Posted by h o d g e g r i f f o n e at 6:58 AM 0 comments
keywords: AGE RELATED MACULAR DEGENERATION, ARMD, DRUSEN, red free
Tuesday, June 12, 2007
of the skin and mucosa whose exact cause is unknown. However, the term, pyogenic granuloma,
Posted by h o d g e g r i f f o n e at 8:10 PM 1 comments
keywords: CONJUNCTIVA, GRANULOMA, slitlamp
Sunday, June 10, 2007
S C I E N C E . A S . A R T ?
HERE ARE A COUPLE MORE OPHTHALMIC PHOTO MONTAGES WITH A TWIST;
IN BOTH, MERGED A COLOR, FUNDUS PHOTO WITH A RED-FREE, BLACK AND WHITE PHOTO AND A MID-VENOUS PHASE ANGIOGRAM. ALTHOUGH THERE IS PROBABLY NO CLINICAL APPLICATION FOR THESE HYBRID IMAGES,
IT IS SORT OF COOL LOOKING.
GLAUCOMA
Posted by h o d g e g r i f f o n e at 6:03 PM 0 comments
keywords: angiogram, ART, DIABETIC RETINOPATHY, FUNDUS PHOTO, GLAUCOMA, montage, red free
DIGITAL CAPTURE IN FUNDUS PHOTOGRAPHY AND ANGIOGRAPHY
HAS ALLOWED FOR UNIQUE AND INTERESTING WAYS OF RETINAL
IMAGING. BELOW IS A COLOR PHOTO OF A PATIENT WHO
IS SUFFERING FROM DIABETIC RETINOPATHY AND IS PRESENTING
WITH A 'BOAT-SHAPED' PRE-RETINAL HEMORRHAGE.
TAKEN DURING THE ANGIOGRAM.THE SOFTWARE ASSOCIATED WITH OUR DIGITAL CAPTURE SYSTEM CAN 'STITCH' (OR MONTAGE) THESE IMAGES TOGETHER TO GIVE US A BETTER, OVERALL VIEW OF THE RETINA. NOW WE CAN VIEW THE HEMORRHAGE AS WELL AS THE AREA OF NVE (NEO-VASCULARIZATION ELSEWHERE) IN THE SUPERIOR TEMPORAL REGION OF THE RETINA THAT IS LIKELY RESPONSIBLE FOR THAT HEMORRHAGE. WE CAN ALSO SEE THE EXTENT OF PAN-RETINAL LASER TREATMENT THIS PATIENT HAS HAD IN THE PAST (THE SMALL DARK SPLOTCHY SPOTS).
Posted by h o d g e g r i f f o n e at 12:51 PM 0 comments
keywords: angiogram, FUNDUS PHOTO, laser treatment, montage, nve, pre-retinal hemorrhage
Monday, June 4, 2007
BELOW ARE TWO OCT SCANS OF A MACULAR HOLE.
A MACULAR HOLE IS TYPICALLY CAUSED BY A PATHOLOGICAL THINNING OR SHRINKING OF THE VITREOUS WITHIN THE EYE. VITREOUS IS THE JELLY-LIKE SUBSTANCE THAT FILLS THE EYE AND IS ATTACHED TO THE RETINA. AS THE VITREOUS 'SHRINKS' IT PULLS AT THE RETINA AND THE MACULA. THIS TRACTION CAUSES THE MACULAR HOLE AND THE OVERALL RESULT IS DISTORTION IN OR COMPLETE LOSS OF FINE DETAILED VISION.
Posted by h o d g e g r i f f o n e at 5:34 PM 0 comments
keywords: MACULAR HOLE, optical coherence tomography, VITRECTOMY
Sunday, June 3, 2007
HERE'S A BIT MORE ABOUT THE PROCESS OF OBTAINING A GOOD ANGIOGRAM.
WE WOULD START BY GETTING A SHARP, WELL EXPOSED COLOR IMAGE OF THE RETINA. BELOW IS A FUNDUS PHOTOGRAPH OF A DIABETIC PATIENT'S LEFT EYE.
IS ALSO USED AS A 'BASE-LINE'. THE FIRST IMAGE IN THE ANGIOGRAM BELOW (TOP RIGHT NUMBERED '7')
IS A RED-FREE PHOTO. NEXT, APPROXIMATELY 5 CC OF SODIUM FLUORESCEIN ARE INJECTED
INTO THE PATIENT'S BLOODSTREAM. FLUORESCEIN IS A MINERAL DYE THAT FLUORESCES UNDER A BLUE
LIGHT (APPROXIMATELY 490 NM). IT TAKES ABOUT 10-20 SECONDS FOR THE DYE TO REACH THE RETINA.
AT THIS POINT, PHOTOS NEED TO BE TAKEN AT A RATE OF ABOUT 1 PER SECOND TO GIVE AN ACCURATE
ACCOUNT OF THE PATIENT'S RETINAL CIRCULATION. BELOW WE CAN TRACE THE DYE THROUGH
THE RETINAL ARTERIAL STAGE (TOP ROW IMAGES # '9','10', AND '11')
THE EARLY VENOUS STAGE (SECOND ROW IMAGES # '12', '13', '14', AND '15')
VENOUS AND LATE VENOUS STAGES (IMAGES # '17', '19', '22', '25', '27', '30', AND '31')
AND FINALLY
THE LATE STAINING OCCURRING ABOUT 5 MINUTES AFTER THE INJECTION (IMAGE #'39').
THE RETINAL IMAGES IN THE ANGIOGRAM 'READ' FROM RIGHT TO LEFT AND THEIR TIMES ARE DISPLAYED IN THE UPPER LEFT OF EACH IMAGE. THE TIMES REFER TO THE POINT THE IMAGE WAS CAPTURED FOLLOWING THE INJECTION.
Posted by h o d g e g r i f f o n e at 12:46 PM 0 comments
keywords: angiogram, ATERIAL STAGE, FUNDUS PHOTO, LATE STAINING, red free, VENOUS STAGE
Thursday, May 31, 2007
THE ANTERIOR SEGMENT ( FRONT) OF THE EYE. INCORPORATE AN IMAGE
THIS PATIENT WAS REFERRED TO PHOTOGRAPHY TO GET IMAGES OF HIS pterygium.
HOWEVER, HE COULD ACTUALLY BE SUFFERING FROM A CORNEAL INTRAEPITHELIAL NEOPLASM
Posted by h o d g e g r i f f o n e at 7:38 PM 0 comments
Wednesday, May 23, 2007
THIS IS A FOLLOW-UP ANGIOGRAM OF ONE OF MY EARLIER PATIENTS. UNFORTUNATELY, WITH A SUBRETINAL NEOVASCULAR MEMBRANE THERE IS LITTLE CHANCE OF IMPROVING THE CONDITION. IN A CASE SUCH AS THIS, A RETINAL MD'S AIM IS TO PREVENT ANY PROGRESSION OF THE DISEASE.
Posted by h o d g e g r i f f o n e at 10:23 PM 0 comments
keywords: angiogram, follow-up, subretinal neovascularization
Monday, May 21, 2007
O P T I C A L . C O H E R E N C E . T O M O G R A P H Y
PROVIDES ANOTHER WAY OF "LOOKING" AT THE RETINA. THE STRATUS OCT SENDS BEAMS OF LIGHT INTO OUR PATIENTS' EYES AND THEN READS THE REFLECTIONS SENT BACK FROM THE DIFFERENT LAYERS OF THE RETINA. IT THEN INTERPRETS THOSE REFLECTIONS AND CREATES A VIRTUAL CROSS-SECTION OF THE RETINA. BELOW ARE TWO SCANS OF THE SAME EYE. THE FIRST IS A HORIZONTAL SCAN OF THE MACULA AND THE SECOND IS A VERTICAL SCAN. BOTH SCANS SHOW A 'PUCKERING' OF THE MACULA DUE TO CELLOPHANE RETINOPAHTY. WE WOULD NOT BE ABLE TO TELL THE TRUE EXTENT OF THIS CONDITION WITH A TYPICAL FUNDUS PHOTO.
HORTIZONAL
Posted by h o d g e g r i f f o n e at 8:22 PM 0 comments
keywords: cellophane retinopathy, optical coherence tomography, SCANS, stratus oct
Sunday, May 6, 2007
ANTERIOR ISCHEMIC OPTIC NEUROPATHY
IS A CONDITION CAUSED BY THE INFARCTION OF BLOOD VESSELS THAT WOULD OTHERWISE SUPPLY THE ANTERIOR (OR FRONT) OF THE OPTIC NERVE. PATIENTS WITH AION WILL (INEVITABLY) PRESENT WITH A PALE, SWOLLEN OPTIC DISC AS WELL AS ASSOCIATED HEMORRAGING WHICH CAN BE NOTED IN THE COLOR FUNDUS PHOTO BELOW.
Posted by h o d g e g r i f f o n e at 6:11 PM 0 comments
keywords: angiogram, ANTERIOR ISCHEMIC OPTIC NEUROPATHY, FUNDUS PHOTO
Sunday, April 29, 2007
OR CME IS A PAINLESS DISORDER CHARACTERIZED BY CYST-LIKE SWELLING WITHIN
THE MACULAR REGION OF THE RETINA. SINCE THE MACULA IS COMPROMISED BY THE
SWELLING, CENTRAL VISION IS COMPROMISED & SYMPTOMS ARE TYPICALLY BLURRED AND
DECREASED CENTRAL VISION.
EXHIBITING CME. THERE APPEARS TO BE EVIDENCE OF AN OLD OCCLUSION AND THE CME
MAY BE SECONDARY TO THAT. ENJOY THIS HAIKU REGARDING THE ANGIOGRAM.
IN THE MACULA DUE TO
HYPER FLUORESCENCE
06/01/07
TODAY, IT WAS BROUGHT TO MY ATTENTION THAT THE HYPER-FLUORESCENT PETAL PATTERN IN MY ANGIOGRAM (TYPICAL IN CME PATIENTS) IS, IN FACT, SECONDARY TO THE MACULAR SWELLING AND THAT MY HAIKU IS NOT TECHNICALLY ACURATE. ALLOW ME TO REPHRASE:
HYPER FLUORESCENCE
IN THE MACULA IS DUE
TO THE EDEMA
Posted by h o d g e g r i f f o n e at 2:09 PM 0 comments
keywords: angiogram, CME, CYSTOID MACULAR EDEMA, fundus, HAIKU
Saturday, April 28, 2007
SCANS - I
E Y E S Y S
IN RECENT WEEKS, I HAVE BEEN TRAINING WITH THE CAROLINA EYE
SCANS DEPT TO OPERATE SEVERAL DIAGNOSTIC IMAGING MACHINES.
ITS NOT PHOTOGRAPHY - PER SE, BUT IT IS IMAGING; AND I'M DIGGING IT!
THE EYESYS MEASURES THE TOPOGRAPHY OF THE CORNEA. BELOW ARE SOME
VIEWS OF THIS MACHINE AND HOW OUR PATIENTS WOULD INTERFACE WITH IT.
THE PATIENT LOOKS INTO A SERIES OF RINGS OF LIGHT WITH A TINY
VIDEO CAMERA IN THE VERY CENTER. (ONE EYE AT A TIME) THE EYESYS
CAPTURES IMAGES OF ITS OWN RINGS REFLECTED IN THE SURFACES
OF THE PATIENT'S CORNEAS. (AS SHOWN BELOW)THEN IT CONVERTS THESE IMAGES INTO GRAPHICAL REPRESENTATIONS OF
THE TOPOGRAPHICAL DATA. HERE ARE THE TOPOGRAPHY SCANS OF EACH EYE
Posted by h o d g e g r i f f o n e at 6:03 PM 0 comments
keywords: CORNEA, EYESYS, KERATOCONUS, SCANS, TOPOGRAPHY
Thursday, April 26, 2007
Posted by h o d g e g r i f f o n e at 6:11 PM 0 comments
keywords: FOVEA, FUNDUS PHOTO, MACULA, OPTIC DISC
Monday, April 23, 2007
Posted by h o d g e g r i f f o n e at 9:36 PM 1 comments
keywords: angiography, CHOROIDAL, MELANOMA
Sunday, April 22, 2007
IS A IDIOPATHIC CONDITION (SOMETIMES TEMPORARY) THAT IS
CHARACTERIZED BY A LEAKAGE OF FLUID IN THE CENTRAL MACULAR
REGION OF THE RETINA RESULTING IN BLURRED OR DISTORTED VISION.
Posted by h o d g e g r i f f o n e at 4:11 PM 0 comments
Wednesday, April 11, 2007
CAUSED BY POOR BLOOD FLOW IN OR AN OBSTRUCTION OF SMALL CAPILLARIES (ISCHEMIA).
ALTHOUGH THEY CAN DISAPPEAR WITHOUT TREATMENT, THEIR PRESENCE TYPICALLY
INDICATES A MORE SERIOUS SYSTEMIC PROBLEM SUCH AS DIABETES OR H.I.V.
THEY OBVIOUSLY GOT THEIR NAME DUE TO THEIR RESEMBLANCE TO COTTON-WOOL ...WHATEVER THAT IS.
Posted by h o d g e g r i f f o n e at 11:31 AM 1 comments
keywords: COTTON WOOL SPOTS, ISCHEMIA
Friday, March 30, 2007
A RED FREE PHOTOGRAPH IS A BLACK AND WHITE IMAGE TAKEN WITHOUT DYE USING A GREEN FILTER. THIS HELPS TO DISTINGUISH BLOOD VESSELS FROM THE RETINA. NOTE THE FLAME SHAPED RETINAL HEMORRAGING IN THE RIGHT EYE.
HERE IS A 'LATE PHASE' ANGIOGRAM OF THE SAME PAIR OF EYES.
I don't know if anyone is actually monitoring my progress here, but I TOOK THESE PICTURES!!!
Posted by h o d g e g r i f f o n e at 6:15 PM 0 comments
keywords: angiogram, angiography, fluorescein, fundus, ophthalmic, photography, red free
Thursday, March 29, 2007
Posted by h o d g e g r i f f o n e at 9:12 PM 1 comments
keywords: angiogram, angiography, fluorescein, subretinal neovascularization
Thursday, March 22, 2007
IS A TECHNIQUE FOR EXAMINING THE CIRCULATION OF
THE RETINA USING A DYE TRACING METHOD. AFTER AN
INJECTION OF SODIUM FLUORESCEIN INTO CIRCULATORY
SYSTEM, AN ANGIOGRAM IS OBTAINED BY PHOTOGRAPHING
THE FLUORESCENCE EMITTED BY THE RETINA WHILE
EXPOSING WITH A BLUE LIGHT (490 NANOMETERS)
Click to Enlarge
SOME MIGHT SAY THIS ANGIOGRAM INDICATES THE PATIENT HAS A SUB RETINAL NEOVASCULAR MEMBRANE WITH A DISCIFORM SCAR AND A SMALL SUB MACULAR HEMORRHAGE.....
BUT PERSONALLY, I THINK IT LOOKS LIKE A PANDA BEAR IN A COAT WALKING TOWARD A TESLA COIL.
Posted by h o d g e g r i f f o n e at 7:47 PM 0 comments
keywords: angiogram, angiography, eye, fluorescein, ophthalmic, photography
Thursday, March 15, 2007
MY FIRST SHOTS AT FUNDUS PHOTOGRAPHY
Posted by h o d g e g r i f f o n e at 7:00 PM 1 comments
keywords: eye, fundus, imaging, ophthalmic, photography