Presbyopia. What is Presbyopia? Presbyopia is the gradual loss of your eyes ability to focus actively on nearby objects. It is a natural, often annoying.

Slides:



Advertisements
Similar presentations
Laser Eye Surgery Technology LASIK. Anatomy of the eye.
Advertisements

Falls prevention. As you get older, so do your eyes This can affect your life in many ways.
Vision after 40. Symptoms Reading is blurred Eye strain/headache Avoiding close work Holding reading materials at a distance.
Goal: To understand multiple lens systems. Objectives: 1)To understand how to calculate values for 2 lens combos 2)To understand the human eye.
Vision and occupational health and safety. Looking after your eyes at work Visual comfort Eye protection.
Monovision for Presbyopia Insert name/ Practice name/ Logo here if desired.
Rites of Sight Your Second 50 years A Presentation of the American Optometric Association.
Content Standard 5 – Contrast ways in which light rays are bent by concave and convex lenses.
Inherited eye conditions. Some eye problems can run in the family Refractive error –Myopia –Hyperopia –Astigmatism Strabismus Retinitis pigmentosa Colour.
Homework Set 5: Due Wednesday, March, 17 From Chapter 5: P2, P8, P10, P11, From Chapter 6: P1, P2, P6, PM2,
The Camera The single-lens photographic camera is an optical instrument Components Light-tight box Converging lens Produces a real image Film behind the.
5 ERRORS OF REFRACTION Željka Burčul Mentor: A. Žmegač Horvat.
 Cornea: ◦ Tissue that forms a transparent, curved structure in front of the eye ◦ Refracts light before it enters the eye  Retina: ◦ A layer of cells.
The Human Visual System The Eye. Anatomy of the Human Eye Cornea Pupil Iris Sclera Retina Optic Nerve Lens.
Gabriel Russell. Presbyopia literally means: farsightedness due to ciliary muscle weakness and loss of elasticity in the crystalline lens. Presby: “Old.
1. Vision Changes  You may notice vision changes with aging.  Many changes are common and can often be corrected.  As you get older, you are at higher.
12.3 Lens Technologies and the Human Eye
+ Caring for Your Eyes By: Irah P To Keep Your Eyes Healthy… Main Point: It is important to protect your eyes from damage and to have regular eye.
Top Ten Tips for Healthy Eyes. 1. Stop Smoking If you smoke, stop. Smoking significantly increases the risk of developing Cataract and Age Related Macula.
VISION DEFECTS.
Diabetes and vision. Summary Diabetes facts Changes to the eyes with diabetes Diabetic retinopathy –Background retinopathy –Proliferative retinopathy.
Lesson 3 Our eyes work in a way that is similar to a camera. Like the click of a camera lens, in the blink of an eye images are formed in the process of.
The Human Eye.
Driving and vision. The importance of good vision for driving can not be overemphasised.
Eye Conditions HCT II. Amblyopia Lazy eye (amblyopia) is decreased vision that results from abnormal visual development in infancy and early childhood.
Click to begin music – play as students engage.
The Canadian Association of Optometrists
Lesson 3 Our eyes work in a way that is similar to a camera. Like the click of a camera lens, in the blink of an eye images are formed in the process.
Refractive Errors & methods of correction M. F. Al Fayez, MD, FRCS.
Barrow, Brantley, Fredde, Gillispie
How The Eye Works Insert name/ Practice name/ Logo here if desired.
MBMS Health. Healthy Teeth  What Harms Teeth?  Plaque- soft sticky film created by bacteria  Tartar- hard material  Gingivitis- gums become red and.
Conjunctivitis  Commonly known as pink eye  Inflammation of conjunctival membranes in front of the eye  Symptoms are redness, pain, swelling, and discharge.
OBJECTIVE IDENTIFY TYPES OF CORRECTIVE LENSES USED TO CORRECT SIGHT PROBLEMS [COS 5, SAT 10]
18.4 Seeing Light Pg
Community Fellow,.  Vision problems affect nearly 13.5 million children in the U.S.  Students, especially young ones, may not.
Everyone’s Vision Can Change With Age  Some vision changes make it difficult to perform everyday activities.  These changes can also impact one’s feeling.
Hearing and Vision Screenings are Completed for this School Year Students are sent a referral letter for medical evaluation after failing the screen on.
3.04 Functions and disorders of the eye
Healthy Eyes Healthy People: Making Vision a Health Priority Vision in Children and Adolescents.
Age-related macular degeneration (ARMD) Damage or breakdown of the macula that occurs with age.
Cataract Tom Avenoso. How Cataracts Affect Vision? On the left, a normal lens receives light and focuses it on the retina. On the right, a cataract blocks.
Brain Tumor. Introduction A tumor is a mass of tissue that's formed by an accumulation of abnormal cells. Normally, the cells in your body age, die, and.
HEALTHY CHOICES: Your Sense of Sight Ms. Mai Lawndale High School.
Lens Technologies. Microscopes Invented by Johannes and Zacharias Jansen in 1590 Larger inverted image Used in study of cells and diseases.
STROKE  WHAT IS IT?  WHAT CAUSES IT?  CAN I PREVENT IT?
Community Fellow,.  Vision problems affect nearly 13.5 million children in the U.S.  Students, especially young ones, may not.
Task 2 : The Eye Gan Jia Jie 2A409. Short-sightedness/Myopia  It is a condition of the eye where the light that comes in does not directly focus on the.
ARAVIND EYE CARE SYSTEM Aravind Eye Hospital & Postgraduate Institute of Ophthalmology ARAVIND EYE CARE SYSTEM Aravind Eye Hospital & Postgraduate Institute.
Chapter 2 Section 4 Seeing Light.
Human Perception of Light
Physics 6C Cameras and the Human Eye Prepared by Vince Zaccone For Campus Learning Assistance Services at UCSB.
COMPUTER VISION SYNDROME COMPUTER VISION SYNDROME.
Advanced Optics for Ophthalmology
Computer Vision Title of presentation AAAAA BBBBB Dddd ffff gggg.
Coordination and Response in Plants and Animals
Astigmatism By: Kelly Purcell. What is it? An eye condition characterized by irregular curvature of the cornea.
The Eye Myopia & Hyperopia. Myopia (Shortsightedness) Myopia = Shortsightedness Can see nearby objects (eg reading) Cannot see distant objects (eg blackboard)
Canadian Association of Optometrists Age-Related Macular Degeneration (AMD)
Accommodation and Presbyopia Prof. Roger S. Anderson
The Human Eye Focus and Vision Correction. Path of Light Cornea Cornea Pupil Pupil Lens Lens Vitreous humor Vitreous humor Retina Retina Optic Nerve (electrical.
The human eye and colorful world
Lasik Eye Surgery. What is a Lasik Eye Surgery? How a Lasik Eye Surgery works? Why this procedure is performed? What are the risks? What is required before.
Canadian Association of Optometrists Cataracts. What are Cataracts? More than 2.5 Million Canadians have cataracts With age, the lens of the eye hardens.
Types of Wholesale Reading Sunglasses Did you know that you’re putting your eyes at risk by not wearing reading sunglasses? If you use reading glasses.
Age-Related Eye Diseases You Should Be Tested For.
Eye Health from A – Z.
The Human Eye.
Defects in Human Vision
Unit 5: Lifestyle Diseases
Presentation transcript:

Presbyopia

What is Presbyopia? Presbyopia is the gradual loss of your eyes ability to focus actively on nearby objects. It is a natural, often annoying part of aging that usually becomes noticeable in early to mid 40’s. It may get worsen until the age around 65.

Overview

Symptoms A tendency to hold reading material farther away to make the letters clearer Blurred vision at normal reading distance Eyestrain or headaches after reading or doing close work

How Normal Eye reacts? The lens is flexible and has the capability to change shape with the help of circular muscle. When a distant image is viewed, the circular muscle relaxes. When a nearby image is viewed, the muscle constricts. This allow the lens to curve more steeply and change its focusing power.

Normal Eye

How Presbyopia Eye reacts? The main cause of Presbyopia is the hardening of eye lenses. During Presbyopia, lens become less flexible. So it can’t change the shape to focus on close- up images. Overall, the close-up images goes out of focus.

Presbyopia Eye

Risk Factors Age of 40 is the major risk factor for Presbyopia. Diseases like diabetes, cardiovascular diseases, multiple sclerosis can increase the risk of Presbyopia. Usage of nonprescription drugs can decrease the focusing ability of eyes.

Treatment method A best way to diagnose presbyopia is fixing an appointment with the eye doctor. A thorough eye examination can fix this problem. Wearing of bifocal glasses can correct the effects of presbyopia.

Conclusion Presbyopia is a curable disease. Having regular eye check-up, eating healthy foods, prevention of eye injuries, protection of eyes from sun are some of the remedies to keep your eyes safe from presbyopia.

Thank You!!!