Lens shape - Study guides, Class notes & Summaries

Abducens (VI) - motor origin: pons term: lateral rectus -rotates eye laterally Accommodation - looking at an object up close -eyes converge ex) crossing -pupils constrict -lens changes: more curved (up close) Adaption of sensory receptors - most sensory receptors adapt, become less sensitive during prolonged time; Nociceptors and most proprioreceptors do not adapt Adrenergic neurons - secrete NE sympathetic postganglionic fibers 1. alpha adrenergenic: constrict blood vessels and dila...

Normal Aging structural changes of the Eye Correct Answer-1. decreased eye muscle tone reduces ability to keep gaze focused on a single object. 2. the lower eyelid may relax and fall away from eye leading to dry eye symptoms 3. Arcus senilis - an opaque, bluish white ring within the outer edge of the cornea, caused by fat deposits but does not effect vision 4. the shape of cornea changes, the cornea flattens and the curve of its surface becomes irregular causing or worsening astigmatism and d...

Certified Paraoptometric (CPO) Exam Questions With Verified Answers Latest Updated 2024/2025 | Graded A+. Accounts Payable - correct answer Outstanding business obligations that are owed to others. Accounts Receivable - correct answer Outstanding obligations owed to the business by others. Cash Flow Statement - correct answer A picture of all cash inflows and outflows within the business. Gross Profit - correct answer The percentage of business income before expenses. Just in Time (JIT) ...

Optometry Final Exam Questions with Answers How does this add change based on the patient's working distance? - Answer-The closer the working distance, the higher the add must be to make the target clear. Describe accommodation - Answer-Increase in optical power (plus power) of lens to maintain clear retinal image of object that is closer than optical infinity; this occurs through contraction and relaxation of ciliary muscles of eye, which attach to suspensory ligaments (zonules of Zinn) wh...

accommodation Correct Answer-the process by which the eye's lens changes shape to focus between distance and near vision active scribe Correct Answer-a scribe that takes a proactive role in documentation and anticipation of clinic needs Age-related cataract Correct Answer-clouding of the lens of the eye over a person's lifetime air bubble Correct Answer-s/p exam finding describing how much air is in a given chamber of the eye. amblyopia Correct Answer-a dimness of vision or the par...

ABO Exams (American Board of Opticianry Exams) Questions With Complete Solutions Which of the following is a usual way of ordering the lenses? A. OU -4.50 4BD and 2BO B. OD -4.50 2BD 1BO OS -5.00 2BU 1BO C. OD -4.50 4BD OS -5.00 2BO D. OD -4.50 2BD 1BO OS -5.00 2BD 1BO [Correct Ans: - OD -4.50 2BD 1BO OS -5.00 2BU 1BO Which of the following is recommended for children's bridge? A. Saddle B. Keyhole C. Adjustable pads D. Golden gate [Correct Ans: - Keyhole A frame fits p...

COA Practice Test Questions with Verified Answers Aqueous humor What is the term for the clear, transparent fluid that fills the anterior chamber? Iris, ciliary body, choroid Which structures are part of the uveal tract? Accommodation What is the process where the lens changes shape to allow an individual to focus on a near target? Detailed central vision What kind of vision loss is associated with injury or degeneration of the macula? Sclera What is the term for the whit...

ATI Comprehensive Final Quiz What is a nurses priority action when a patient is experiencing anaphylactic shock while receiving IV medications? - ANSWER Priority action: stop the medication infusion The nurse can also: Administer epinephrine; infuse .9% sodium chloride, and elevate the lower extremities to help maintain adequate blood pressure What medication is contra indicated while taking St. John's wort? And why? - ANSWER ...

BIOD 171 Portage Learning Final EXAM Questions and Answers 100%Correct/Exam 1-7 2023/2024 UpdatePortage Learning BIOD 171 Final EXAM Questions and Answers 100%Correct/Exam 1-7 2023/2024 Update True or False: A virus is considered a microorganism. False. Viruses are not living and as such are not considered microorganisms. Viruses can, however, be classified as microbes, a more general term that includes microorganisms and viruses. 1. What is the smallest biological unit of life? A cell. ...

Sociology Correct Answer-Study of society. Systematic or scientific study of human society and social behavior from large-scale institutions and mass culture to small groups and individual interactions. Howard Becker "people doing things together" Society Correct Answer-A group of people who shape their lives in aggregated and patterned ways that distinguish their group from others Social Sciences Correct Answer-the disciplines that use the scientific method to examine the social world, ...