Unfortunately your ocular health is not always accompanied by recognizable symptoms. It is important to have a regular visit as there is often an increased risk to you if timely treatment is not initiated.
After your initial examination, we will schedule regular return visits at a frequency that meets your eye care requirements. If your vision is healthy, general guidelines have been established for recommended checkup visits.
Eye drops that dilate the pupils are used in some examinations to enable the doctor to get a better view of the inside of the eye. The doctor will decide how often this type of examination is necessary for each individual depending upon his or her symptoms, age, health, and family history. The drops generally leave your vision a little blurry and sensitive to light, so you may not be able to drive immediately after this procedure. The effect of the drops will wear off in 2 to 6 hours.
Eye drops that relax the focus of the eyes, called cycloplegics are used to accurately measure the degree of far-sightedness of the eyes. These are generally used, when necessary, for children and young adults. These drops also leave the vision blurry and sensitive to light.
Eye drops to anesthetize (numb) the eye are used for procedures that require an instrument touching the eye. The anesthetic does not affect vision and lasts about 15 minutes. Some eye drops contain a dye that helps the doctor diagnose abnormalities of the surface of the eye.
This is a ratio used to indicate normal visual acuity. It means that people with ‘normal vision’ on the acuity chart are able to see a certain size of detail at 20 feet. That detail is calibrated to be the same size in all eye examinations so that visual acuity can be standardized when tested between different offices. The detail viewed could be letters, pictures or numbers.
Some people have better than normal vision and some have weaker than normal vision. The top number in the ratio indicates the test distance (20 feet) that the target is calibrated for. The bottom number of the ratio indicates the distance at which a person with normal (20/20 vision) would be able to see that size of target. For example if a person had poorer than normal visual acuity, say 20/400 it would mean that the size of the target that this person sees at 20 feet would actually be recognized by the person with 20/20 vision at 400 feet. Conversely, a person with better than 20/20 visual acuity, say 20/15, would be able to see the small detail at 20 feet that a person with 20/20 vision would have to bring closer to 15 feet to be able recognize it.
A. Being far or near-sighted, having astigmatism, or becoming presbyopic can all make computer use less comfortable. Your eyes may have to exert extra focusing effort or be forced to work harder to maintain a clear image on the screen. This results in eye strain and fatigue.
The following are some helpful tips to facilitate comfortable and efficient computer use:
Yes. If you are a contact lens wearer we do ask that you wear your contacts to your appointment as this allows us to assess the current fit and level of vision and make appropriate recommendations.
Although contact lenses can be fit to patients of any age, generally patients have to be mature enough to manage their contact lenses well to prevent eye infections and complications. When one is not capable of being responsible for this management then parents or guardians must be willing to take over the role of responsibility to ensure that the lenses are worn the proper number of hours, cleaned properly, replaced as directed, and inserted/removed properly.
A. Most patients find that after the eye exam they are okay to drive. During the eye examination eye-drops may be used that dilate the eyes to help the doctor see different parts of the back of the eye. These drops can cause light sensitivity for a few hours after the examination so we recommend that sunglasses be worn after the eye exam during daylight hours. For very light sensitive patients they may be more comfortable having someone drive them home after the eye examination although the sunglasses should suffice for most people. Other drops may be used which temporarily affect one’s focusing system. These patients may have to wear prescription lenses home to see well (or have someone drive them home after the examination). All drops used for the purposes of the eye examination have short duration activity and generally within 3-7 hours the effects of these drops should be worn off. Dilation is not done at every eye exam but is absolutely necessary if there are new symptoms of sudden floaters or loss of vision.
Laser eye surgery is used to correct many cases of myopia (blurred distance vision) and astigmatism safely and predictably. Laser correction of hyperopia (farsightedness) is in its advanced testing stages. Results are not as predictable, nor as successful. Presbyopia, which causes the need to wear reading glasses or bifocals, cannot be corrected by laser surgery. As a result, individuals over 45 years will require reading glasses in most cases following surgery. Amblyopia (lazy eye) or other existing conditions that have caused damage to the eye or loss of vision, cannot be repaired by laser surgery.
If you have good distance vision without glasses, but need reading correction only, laser refractive surgery is not an option for you. If you wear bifocals to correct both distance and near vision, you may be a candidate to have the distance vision corrected, but still have to wear reading glasses after.
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Mountain View Optometry's head office.
511 Vernon St Nelson, BC V1L4E9;
Tel: (250) 352-7239.
Mountain View Optometry
511 Vernon St Nelson, BC V1L4E9
Tel: (250) 352-7239