Sight Loss Services

Newsletter

- April 2001 -

Contents
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New Handicapped Placard Rules
Researchers Study Possible Link
Between Estrogen and AMD

Vision Researcher First to Implant an Artificial
Retina in Humans

Mashpee Resident Receives Award


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New Handicapped Placard Rules In Effect
Penalties Increased For Violations

 

The Registrar may now also furnish a special parking identification placard bearing the designation “International Symbol of Access” to any person who meets the eligibility requirements for handicapped plates. The Registrar may also issue a separate identification card identifying the person to whom such placard is issued as the authorized user thereof which shall be carried by the authorized user while the placard is in use. A placard may be used while a vehicle is parked in a designated handicapped space from which the authorized user is entering or exiting, including immediate drop off or pick up. Only a vehicle bearing private passenger registration or a private passenger vehicle bearing a commercial registration or a vehicle designed and used for the transportation of handicapped persons may be used in conjunction with a placard. The placard shall be displayed so as to be readily visible through the windshield of the vehicle. Upon application and for good cause shown by the applicant, the Registrar may issue both a plate and a placard. Any person who wrongfully displays a plate or placard in a motor vehicle shall be subject to a fine of $500 for a first offense and $1,000 for a second or subsequent offense. The Registrar shall suspend the operator’s license or right to operate of any person found to have violated this provision for a period of 30 days for a first offense, 90 days for a second offense, one year for subsequent offenses. Cities and towns may now adopt penalties of not less than $100 nor more than $300 and shall provide for the removal of a vehicle parked illegally in a designated handicapped parking area. (From “Focal Point” - MCB)

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Researchers Study Possible Link
Between Estrogen and AMD

 

Researchers are currently examining the possibility of a link between estrogen production and the onset of age-related macular degeneration (AMD) in women. Information gathered in recent years indicates there is a higher incidence of AMD in women, and that women who experience an earlier onset of menopause may be at greater risk of developing the disease. Scientists pooled data from three separate epidemiological studies and concluded the connection may be realted to the duration of estrogen production, and the medical community has been investigating whether this puts her at risk for heart disease, osteoporosis, and certain types of cancers. Now, medical researchers will begin to monitor her risk of developing macular degeneration as well. The National Institute of Health currently supports a large, three-part study of women’s post-menopausal health issues called the Women’s Health Initiative. With more than 100,000 women recruited in 1998 and 40 clinical centers and communities across the country, the WHI will study these issues using various approaches over the next 8 to 12 years. One part is a controlled clinical trial, using hormone replacement therapy (HRT). More than 50,000 women are enrolled in this trial and they have been separated into two groups. One group receives estrogen supplements and the other receives a placebo. The development of AMD between the two groups will be monitored. The other two parts include an observational study that monitors the health of a larger group of women through surveys and questionnaires over a period of years. The third group is a project aimed at public awareness and community involvement in women’s health issues. Although women seem to be at a higher risk for developing AMD, HRT is only one of many research areas addressing the causes and risk factors associated with macular degeneration. Further study in all areas will hopefully reveal which factors cause the disease and which may serve to prevent it in both men and women. - (Found. Fighting Blind.)

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Vision Researcher First to Implant an Artificial
Retina in Humans
(from Foundation Fighting Blindness, Sept. 2000)


For the first time ever, researchers from Optobionics surgically implanted an artifical retina into three patients who are blind from retinitis pigmentosa. These experimental prosthetic devices, made of silicone computer chips, are intended to restore ambulatory vision, thereby giving people the freedom to walk without a cane or guide dog. The company’s device, called an Artificial Silicon Retina (ASR), is designed to function much like a photoreceptor cell in the retina. In retinal degenerative diseases, such as RP, macular degeneration and Usher Syndrome, photoreceptor cells degenerate and die. Researchers found that, despite the loss of photoreceptors, much of the remaining nerve cell network in the retina remains relatively healthy. This finding led researchers to begin developing computer chips that might function in place of photoreceptor cells. The ASR is 2 mm in diameter and one-thousand of an inch in thickness, making it thinner than a human hair. It contains 3500 solar cells that are designed to convert light into electrical signals. Optobionics is based out of Chicago and headed by Dr. Alan Chow. These experimental implants are part of an FDA approved feasibility and safety study to see whether the device can be safely implanted and whether it is well-tolerated in the human eye. For these three operations, Dr. Chow implanted a smaller version of the ASR device in the periphery of the retina. Dr. Chow also hopes to gauge whether patients gain any visual perception where the chip is implanted. The operations, performed last June, reportedly went well. In the past, researchers have performed brief experiments to stimulate the retina in patients without vision. However, this is the first time anyone has implanted a device in humans. Although there is still a great deal of remaining research before such a device will be available to patients, news of these first-ever surgeries is a sign that artificial retinas are advancing toward clinical trials.

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Mashpee Resident Receives Award


James Walker of Mashpee was recently awarded the “Ambrose Addis Award” from SIGHT LOSS Services for his outstanding volunteer service to members of the community
who are visually impaired. For many years, Jim has volunteered to drive visually impaired individuals from Mashpee to and from monthly support group meetings in Sandwich. By providing this volunteer services, Jim has
helped to improve the quality of life for many people who must cope with the loss of sight.

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