Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
16 Cards in this Set
- Front
- Back
|
What is FARsightedness?
Common symptoms? What is NEARsightedness? |
Hyperopia
- Blurred NEAR vision - Squinting - Eye Strain Young eyes can sometimes compensate for this refractive error --- depending on age and the degree of hyperopia present. But with aging, the human lens loses this ability and a hyperopic person eventually may have difficulty seeing objects at a distance, as well as those that are nearby. In fact by age 40, even those with little or no refractive error will begin to experience difficulty focusing on close objects. |
|
|
What is NEARsightedness?
What is FARsightedness? Common symptoms? |
Myopia
- Blurred DISTANCE vision - Squinting - Eye Strain - Poor night vision Nearsighted people may experience headaches or eyestrain and might squint or feel fatigued when driving or playing sports. Patients who experience these symptoms while wearing glasses or contact lenses may need a comprehensive eye examination, as well as a new prescription. |
|
|
What are some common symptoms of ASTIGMATISM?
|
- Distorted vision
- Eyestrain - Shadows on letters - Squinting - Double vision |
|
|
What is PRESBYOPIA?
When does it usually start? What are some common symptoms? |
Condition in which the aging eye is unable to focus on NEAR objects.
It typically begins around age 40. - Eyestrain - Headaches - Squinting |
|
|
Mac (43), claims he sees great in the distance but has trouble reading the phone book. His most likely refractive Dx is ___________.
|
Presbyopic
|
|
|
Mary is 24 and says she has trouble seeing in the distance and up close. She had glasses at one time and lost them.
Distance: OD 20/60 OS 20/40 Near: .4/.8M OD/OS Her most likely refractive Dx is ___________. |
Astigmatism - blur at distance AND near
|
|
|
Jose is 32 and has trouble reading the paper in the evenings. He is 20/20 OD and OS in the distance and .4/.8M OD/OS at near. His most likely refractive Dx is ___________.
|
Hyperope
|
|
|
Daisy has glasses she wears for reading. She has noticed highway signs are blurry when she drives. Daisy just celebrated her 45th birthday. Her most likely refractive Dx is ___________.
|
Presbyopia and Myopia
|
|
|
Ingrid is 60 years old and works every day on the computer. She has no problem seeing at work but she does have difficulty seeing the bus numbers when it is a block away. Her most likely refractive Dx is ___________.
|
Presbyopia and Myopia
|
|
|
Roger is 42 and he says his "arms are too short". He does not have glasses now and claims he can see well in the distance. His most likely refractive Dx is ___________.
|
Presbyopia
|
|
|
Emilie is 12 years old. She first got glasses at age 8 and her current pair is 2.5 years old. The glasses used to help her see the blackboard but now they do not. She has pretty much stopped wearing them. Her most likely refractive Dx is ___________.
|
Myopia
|
|
|
Dee feels her vision has decreased since she started law school 2 years ago. She feels she can't see her professor or the overhead in the auditorium. She has her eyes checked in HS and did not need glasses then. Her acuity in the distance is 20/30 OD and 20/40 OS and .4/.4M at near in both eyes. Her most likely refractive Dx is ___________.
|
Myopia
|
|
|
Suzy is in her first year of college. She has to read 6 X mire than she had to read in HS. She is having trouble getting it all done. Her eyes feel tired and her vision blurs in and out when she tries to read for more than 30 minutes. She never reads for pleasure but now it is torture. Her most likely refractive Dx is ___________.
|
Hyperopia
|
|
|
Mary is 42 years old and she has dime store readers. While taking acuities in the distance you observe a fluctuation in your results. Sometimes she can see the 20/20 line and sometimes she can't. What would you predict her DISTANCE refraction to be?
|
Hyperopia
A PRESBYOPE does not give you fluctuations in the distance, but a uncorrected HYPEROPE does. |
|
|
John, a 30 year old, drives a truck. He always felt his vision was "perfect". The road signs at night are difficult to see. Lights night seem "streaky". What would you expect to see on his refraction?
|
Astigmatism
|
|
|
Simon is 12 years old. His entrance acuity unaided is 20/100 OD/OS. Near acuity is .4/.4M OD/OS. What would expect his refraction to be?
|
- 1.50 DS OU
|
