Clinical: Biomicroscopy Case Based Learning Flashcards
What illumination techniques should be used when assessing an eyelid lesion?
Direct or diffuse for overall assessment.
Narrow beam/optic section to assess elevation.
Should eyelid lesions be measured? Why?
Yes, use slit beam to measure so that changes over time can be tracked for lesions.
How can eyelashes be impacted by an eyelid lesion?
Madarosis (loss of lashes).
What are some important questions to ask when a patient has an eyelid lesion?
How long has it been there? Do you think it has changed over time? Is it ever painful or itchy? Plus more…
What does each letter of ABCDE mean in regard to assessment of lesions?
Helps to determine if a lesion is at risk of malignancy:
- Asymmetry (one half is not like the other)
- Border (irregular borders)
- Color (variation in color)
- Diameter (Diameter > 6mm)
- Evolution (enlargement or change)
Ulceration is tissue _________
Breakdown or erosion.
Infiltration is when normal eyelid tissue is replaced/destroyed by ____________
Abnormal tissue.
What are two common types of lid lesions that are cancerous?
Basal Cell Carcinoma and Malignant Melanoma.
What illumination technique can you use to discern where a corneal lesion is?
Optic section.
What is a nuclear sclerotic cataract?
Yellow and hardening of the central portion of the crystalline lens.
What is a cortical cataract?
Opacification of the lens cortex, showing spoke-like white-gray opacities in the peripheral lens.
What is a posterior subcapsular cataract?
Opacities near posterior aspect of lens.
What are some important HPI questions that you ask a Diabetic patient?
How long have you had diabetes? Hba1c value? Last fasting blood sugar? Last PCP visit?
