100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
NACOR NEED TO KNOW 2024/2025 already graded A+ $12.99   Add to cart
Quickly navigate to
Preview
  2.  
  3. VA-BC
  4.  
  5. VA-BC

Exam (elaborations)

NACOR NEED TO KNOW 2024/2025 already graded A+
 13 views  0 purchase
  • Course
  • VA-BC
  • Institution
  • VA-BC

NACOR NEED TO KNOW 2024/2025 already graded A+

Preview 1 out of 3  pages

Document information

  • February 29, 2024
  • 3
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

Subjects

  • va bc
  • level of significance for fstbstbit ansfst be
  • use for optic section ans corneal thickness str
  • d vertex distance in m usually 012m initial

Written for

  • VA-BC
  • VA-BC

Seller

avatar-seller
Ashley96

Reviews received

Content preview

NACOR NEED TO KNOW

level of significance for FST/BST/BiT - ANSFST: below 1
BST: min. 2, max. 3
BiT: over 3

use for specular reflection - ANSendothelium mosaic, tear film

steps for a sph/asph GP - ANS1. vertex rx
2. RA= TA-CA
3. lens power - calc. tear lens based on nomogram (steeper/flatter)
4. calc. BC based on nomogram (using 337.5/mm)
5. choose diameter using nomogram

use for optic section - ANS-corneal thickness
-stroma
-aqueous flare
-depth f opacities
-scars
-foreign bodies

K's 45.00 to 48.75 needs BC of - ANS8.5 to 8.2
*higher the K's the lower the BC

formula for vertex rx - ANS*for rx over 4.00 D

Fc = F(rx) / 1-d (Frx)

*d = vertex distance in m - usually .012m

initial fit protocol - ANS1. history
2. prefit exam - VA
3. measurement: rx, k's, PF, HVID, TBUT, tarsal
4. determine best lens

over k too flat - ANSclear then blurry after blink

formula for minimum blank size - ANSeffective diameter (ED) + (2 x decentration)
*decentration referring to horizontal decentration

over k too steep - ANSblurry then clear after blink

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller Ashley96. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $12.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

78998 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$12.99
  • (0)
  Add to cart