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Ocular Diabetes Care
Ocular Disease III Exam 2
82
Medical
Graduate
03/10/2013

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Cards

Term
Approx how many Americans have undiagnosed diabetes
Definition
~27%
Term
Name 3 ethnicities that show a higher prevalence of diabetes
Definition
African Americans
Native Americans/Alaska natives
Hispanics
Term
In diabetics, approx how many have ocular manifestations
Definition
61.00000%
Term
How does diabetes affect the risk of blindness
Definition
Makes it 25X higher
Term
Dr. Lingel emphasized these 2 things we should tell ALL our diabetic pts
Definition
1. Early intervention in diabetic retinopathy can help save vision if the pt is seen by the optometrist enough
2. Keeping blood sugar under control goes a long way in preventing vision problems
Term
The DCCT study found what correlation between retinopathy and A1C
Definition
Retinopathy was uncommon when A1C <7%
Term
DDCT study found what correlation between DR and glycemic control
Definition
Reduction in DR was directly related to tight glycemic control
Term
Name 4 aspects of medical management to ask your diabetic patient about
Definition
1. Treatments
2. Medications/Dosage
Method/frequency of sugar monitoring
4. Average blood sugar
Term
ABC's of Diabetes
Specify the A
Definition
A=HbA1C <7%, monitored q 6mo
Term
ABS's of Diabetes Care
Specify the B
Definition
B=Blood Pressure <130/80 mmHg
Term
ABC's of Diabetes Care
Specify the C
Definition
C=Cholesterol with LDL <100 mg/dL
Term
What is the target cholesterol level for diabetics with cardiovascular disease
Definition
LDL <70 mg/dL
Term
ADA and AAOguidelines for eye exams for pts with Type I Diabetes
Definition
3-5 years after diagnosis and then annually
Term
Guidelines for eye exams for pts with Type 2 Diabetes
Definition
At initial diagnosis and then annually
Term
Guidelines for eye exams for pts with diabetes who are also pregnant with <Moderate DR
Definition
First within the 1st trimester and then every 3 months
Then 6-8 weeks postpartum and follow closely for 1 year
Term
Guidelines for eye exams for pts with diabetes who are also pregnant with >Moderate DR
Definition
First within the 1st trimester and then every 1-3 months
Then 6-8 weeks postpartum and follow closely for 1 year
Term
Name 4 FUNCTIONAL Ocular Complications of Diabetes
Definition
Tritan color vision deficiencies
Refractive error changes
Accommodative dysfunction
Visual field defects
Term
Name 3 neurological ocular manifestations of diabetes
Definition
EOM anomalies
Sluggish pupillary reflexes
APD
Term
List corneal changes associated with diabetes
Definition
Reduced sensitivity
reduced healing
BM abnormalities
Descemet's wrinkling
Endothelial changes
Increased thickness
Term
List 5 anterior segment complications associated with diabetes
Definition
Bulbar microaneurysms
Dry eye syndrome
corneal changes
Iris changes
Cataracts
Term
Name 3 manifestations of diabetes within the iris
Definition
Depigmentation
NVI
Peripheral Anterior Synechiae
Term
In a diabetic exam, should the iris be examined before or after dilation
Definition
Before
Term
Name 3 optic nerve complications associated with diabetes
Definition
Disc edema
Ischemic optic neuropathy
Glaucoma
Term
Name 4 posterior segment complications associated with diabetes
Definition
Vitreous heme
Optic nerve complications
Retinopathy
Macular Edema
Term
Management of a vitreous heme
Definition
B scan
Elevate head
Refer
Term
The pathogenesis of DR is primarily due to …
Definition
Metabolic effects of chronic hyperglycemia
Term
Name 4 aspects of DR due to chronic hyperglycemia
Definition
Vascular changes
Retinal injury
Ischemia
inflammation/vasoactive substances
Term
Specify how impaired autoregulation of blood flow affects vasculature in DR
Definition
Increased glucose impairs the autoregulation of blood flow, results in increased blood flow which creates shear stress. This results in the release of vasoactive substances and vessel leakage
Term
Describe the cascade that results from the accumulation of sorbitol in retinal cells
Definition
^sorbitol --> ^ prostaglandins --> alteration in protein kinase C --> Affects VEGF and permeability
Term
2 affects of the accumulation of AGE's in ECF
Definition
AGE's affect collagen which causes microvascular changes
Age's increase vascular inflammation
Term
Describe retinal microthrombosis
Definition
occlusion of capillaries, damage to endo, leakage
Term
How may angiotensin receptor blockers change the affects of AGE's
Definition
ARBs can inhibit increased vascular inflammation
Term
AGEs
Definition
Advanced Glycosylation End Products
Term
Name 5 types of growth factors released in response to ischemia
Definition
Insuling-like Growth Factor (IGF-1)
Vascular Endothelial Growth Factor (VEGF)
Platelet Derived Growth Factor ( PDGF)
Fibroblast growth factor (FGF)
Erythropoietin
Term
How do hard exudates and drusen differ in terms of depth in the retina
Definition
Drusen=RPE BM
Hard exudates are more superficial
Term
IRMA typically occurs in which layer
Definition
GCL
Term
Best differential between IRMA and flame hemorrhages
Definition
Their depth
Flame=NFL
IRMA=GCL
Term
According to Dr. Lingel, what is the best lens for depth perception
Definition
Gonio lens
Term
What is the 1st clinically detectable lesion of Diabetic Retinopathy
Definition
Microaneurysms
Term
Microaneurysms vs. Dot/blot hemes
Description of borders
Definition
Micro have sharper borders since they are an outpouching of a vessel
hemes have less distinct borders since they are escaped blood
Term
According to Dr. Lingel, what is way to visualize microaneurysms
Definition
Direct Ophthalmoscopy
Term
Microaneurysms vs. Dot/blot hemes
Appearance on FA
Definition
Micro leak slightly thus they glow a little
Dot/blot are dark, they HYPOfluoresce
Term
4 Major Classifications of DR
Definition
1. No DR
2. Nonproliferative DR
3. Proliferative DR
4. Clinically Significant Macular Edema
Note CSME ca occur with 2 & 3
Term
List 9 things on the retina you must look for to rule out diabetic retinopathy
Definition
Venous beading
IRMA
Neovascularization of disc
Neovascularization elsewhere
Neovascularization of the iris
hemes/microaneurysms
Hard exudates
Cotton wool spots
CSME
Term
Describe the appearance of mild NPDR
Definition
ONLY microaneurysms present
Term
Describe the 4-2-1 rule
Definition
Used to evaluate for SEVERE NPDR
4-more than 20 intraretinal hemes in EACH of 4 quadrants
2-Definite venous beading in 2 or more quadrants
1-Prominent IRMA in 1 or more quadrants
Term
T or F A vitreal heme counts as a hemorrhage in 1 of the 4 quadrants in the 4-2-1 rule
Definition
F
Term
Why is it so important to monitor IRMA
Definition
It is often where NEO sprouts from
Term
What new 'structures' are made in addition to vessels (neo) in response to ischemia
Definition
translucent fibrous tissue is laid adjacent to vessels and can result in traction/hemorrhage/detachment
Term
Which bleeds more easily, NVE or NVD
Definition
NVD
Term
How close does Neo have to be to be termed NVD
Definition
within 1 DD of the disc
Term
High Risk Proliferative DR is specified as one or more of the following:
Definition
NVD >1/4-1/3 Disc Area (DA)
NVD with VH or PRH
NVE >1/2DA with VH or PRH
Term
Criteria for CSME
thickening of the retina _________DD from the center of the macula
Definition
1/3DD
Term
Criteria for CSME
HE ___________-DD from macula along with ______________________
Definition
1/3DD from center of macula along with thickening of adjacent retina
Term
Criteria for CSME
Zone of retinal thickening > ___________in size, part of which is <________________ from center of macula
Definition
<1 DA in size, <1DD from center
Term
Specify the 3 criteria for CSME
Definition
1. Thickening of retina 1/3DD from macula center
2. Hard exudates 1/3DD from macula center with adjacent thickening
3. Zone of retinal thickening >1 DA in size within 1DD of macula center
Term
Name 3 conditions which merit referral within 2-4 weeks
Definition
Macular Edema
Severe/very-severe NPDR
Early/non-high risk PDR
Term
Name 2 conditions which merit referral within 24-48 hours
Definition
High risk PDR
Vitreous hemorrhage
Term
4 indications for PRP
Definition
1. High risk PDR including NVD
2. Rubeosis with or without glaucoma
3. Non-high risk PDR
4. Widespread ischemia and capillary non-perfusion
Term
6 short term complications of PRP
Definition
Pain
Increased IOP
Corneal Abrasion
Decreased Accommodation
Macular Edema
Vitreous heme
Term
Treatment of vitreous hemorrhage and traction RD
Definition
Vitrectomy
Term
6 complications of vitrectomy
Definition
Recurrent vitreous hemorrhage
RD
Rubeosis Irides
Severe Vision loss
Microbial endophthalmitis
Cataract
Term
Surgical Treatment of CSME
Definition
Focal Laser Photocoagulation
Term
VA Goals for Focal Laser Photocoagulation
Definition
Stabilization, not improvement (prevent further loss)
Term
5 complications of grid-laser tx
Definition
retinal scarring
para-central scotoma
choroidal NV
subfoveal fibrosis
misplaced foveal photocoagulation
Term
2 agents used for pharmacological treatment of CSME
Definition
Corticosteroids
Anti-VEGF
Term
Risks of corticosteroid treatments
Definition
Glaucoma
Cataracts
Term
5 complications of intravitreal injections
Definition
cataract progression
Increased IOP
Endophthalmitis
transient sterile inflammation
stroke
Term
Coding for DM without complications
Definition
250.0X
Term
Coding for DM with complications
Definition
250.5X
Term
Coding for DM type 2 or unspecified not stated as uncontrolled, may or may not be using insulin
Definition
250.X0
Term
Coding for DM type 1 not stated as uncontrolled
Definition
250.X1
Term
Coding for DM type 2 or unspcified, uncontrolled
Definition
250.X2
Term
Coding for DM type 1 uncontrolled
Definition
250.X3
Term
Coding for Diabetic retinopathy
Definition
first is 250.5X, second is 362.0
Term
Coding for PDR
Definition
362.02
Term
Coding for NPDR NOS
Definition
362.03
Term
Coding for Mild NPDR
Definition
362.04
Term
Coding for Moderate NPDR
Definition
362.05
Term
Coding for Severe NPDR
Definition
362.06
Term
Coding for Diabetic ME or retinal edema
Definition
362.07
Term
What other code must code 362.07 be accompanied with?
Definition
Some code for diabetic retinopathy (362.01-362.06)
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