Ocular lens Study guides, Class notes & Summaries

California Law Exam Optometry | 2024/2025 | Questions and Verified Answers| 100% Correct| A Grade QUESTION The state board must be notified within _____ of a licensee's convicted crime Answer: 48 hours QUESTION true/false: any person unable to practice because of impairment due to mental or physical illness affecting competency, the licensing agency may order appropriate exams, revoke or suspend license, place on probation, or apply other restrictions. Answer: ...

Cytology the study of cells Robert Hooke - observed cork could float - discovered a honeycomb-like structure in a cork slice using a primitive compound microscope - only saw cell walls as this was dead tissue - coined the term "cell" for these individual compartments he saw Two types of microscopes: 1. Light Microscope 2. Electron Microscope Light Microscope - light is focused on specimen by a glass condenser lens - the image is magnified by an objective lens and an ocular lens - proj...

Know the lower limit of resolution for the light microscope Correct Answer-0.2 um Total magnification vs magnification of the oil immersion lens Correct Answer-Total magnification: product of the magnification of the ocular (10x) and the objective lens Oil immersion lens Define Resolving power Correct Answer-the ability of a microscope to differentiate two closelyk spaced objects as being distinct from one another Know how resolving power relates to magnification Correct Answer-Resolvi...

NCLE Basic Exam Study Guide Rated A+ Diffused Illumination -Answer -Uses widest slit, longest aperture -Light source positioned at an angle of 40º-50º -Used to view overall areas, to observe the ocular adnexa, cornea, sclera, lids, conjunctiva, lens surface, and CL fitting characteristics

Name the nine components of the ophthalmic history. - Answer-Chief complaint, present illness, past ocular history, ocular medications, general medical and surgical history, systemic medications, allergies, social history, and family history. Why is it important to specifically ask a patient about the medications they are taking? - AnswerBecause certain medications may affect the eyes. What is the proper response to a patient's request from the ophthalmic technician for medical advice or a...

COA Practice Exam Questions with Verified Solutions A CL that is too tight will a. Center well b. Be comfortable c. Cause the vision to fluctuate with blink d. All of the above d. All of the above A patient doesn't push the response button when a light is presented to him during an automated visual field test. A light is again presented to the patient in the same point of the visual field only this time it's a brighter light. This is an example of: a. Kinetic VFT b. Thresh...

Hordeolum Correct Answer-An acute infection originating in the sebaceous gland of the eyelid; usually caused by Staphylococcus aureus Conjunctivitis Correct Answer-An inflammation of the palpebral or bulbar conjunctiva; caused by local infection of bacteria or virus and by an allergic reaction, systemic infection or chemical irritation Strabismus Correct Answer-An abnormal ocular alignment in which the visual axes do not meet at the desired point; can have two types paralytic (motor imbala...

ABO advance study guide TEST BANK WITH MORE THAN 500 QUESTIONS AND ANSWERS When taking seg height measurements, which of the following situations could result in a parallax error? - ANSWER Patient sitting/ dispenser standing erect Which of the following is not significant in identifying the problem of vertical imbalance? - ANSWER Patient's age Which of the following elements is NOT critical when determining verti...

Microbiology - Lab Practical 1 100% Correct Ocular Lens(es) Eyepiece Magnifies 10X Objective Lens(es) Parfocal Usually 4X, 10X, 40X, 100X Mechanical Stage Allows you to move a slide in order to see different specimens on it Condenser Focuses light from light source Iris Diaphram Controls amount of light that passes through a specimen Coarse Adjustment (Knob) Helps to focus image Should never be used with 100X lens Fine Adjustment (Knob) Helps to focus image details Resolution The abili...

Microbiology Lab Midterm Questions and Answers Already Passed Compound microscope 1. Ocular-eyepiece lens (usually 10x) 2. Objective-nosepiece lenses (commonly 4x, 10x, 45x, and 100x) At what magnification do you use the oil immersion technique? 100x. Total Magnification = Magnification (Objective) x Magnification (Ocular) Important Parts of the Microscope Framework, Stage, and Lens System Framework Arm and base are the structural parts of the microscope which support the basic frame. Stage...