
From the
GWRRA Texas Chapter M-2 Education Corner
“Night
Riding Vision”
By
Andrew Cherney
Copywright
2008
Motorcycle
Cruiser Magazine
By the time you read this most of the country will have
made the switch from Daylight Saving Time. Do you take your bike to work? Find
yourself com-ing home from a day-long ride late in the day? For sure you’re
going to be riding in the dark now. Below are some thoughts on riding at night
(especially for those of us “mature” riders) drawn from an article in
Motorcycle Cruiser Magazine, written by Andrew Cherney.
Night riding
just ain't the thrill it used to be when I was a young buck. Generally
speaking, your ability to see at night deteriorates with age, and a twilight
spin in my mid-40s demands way more preparation than it used to. You've
probably heard the sobering stats: A disproportionately high rate of accidents
occur between dusk and dawn.
The most basic
issue is lack of visibility. The National Safety Council (NSC) confirms that 90
percent of a rider's reaction depends on vision. And the nighttime riding
disadvantage is compounded by the vagaries of getting older. Add to that roads
with no overhead lighting, the sensitivity to headlights that many riders and
drivers experience, and the compromised distance vision of aging riders, and
it's easy to see why it can be a battlefield out there at night. If you think
it's a stretch for drivers to spot motorcyclists in the full light of day, our
single headlight is essentially invisible after sundown. Apart from watching
out for tired, clueless drivers, there's also Bambi to consider; wild animals
are more active after dusk.
That's a
handful, so we asked Los Angeles optometrist Dr. Diana Risko (also a longtime
rider) for some, uh, clarity. "Human retinas are mostly designed for light
situations," she explains. "Only around 15 percent of their receptors
are made for the dark. Darkness makes the eye's pupil dilate, and the
headlights of an oncoming car basically set off all the receptors in your eye,
giving you only a white flash in your vision." She adds, "Astigmatism
[a curve to the cornea] is fairly common and often doesn't require correction.
But it can make blurred vision more likely at night and can contribute to eyestrain."
Before you get
all gloomy, know there are ways to prepare for your ride once the sun goes
down.
A simple way to
arm yourself against the evening is to prep your ride. That means giving
everything a thorough scrub before you hit the street. Headlights, taillights,
signal lights, windshields and helmet visors should be cleaned at least twice a
week. If you ride with a full-face helmet, make sure the shield is scratch and
fog-free. A scored visor can create light refraction and make two headlights
seem like four; you won't know what's coming from where. There are a variety of
inexpensive solutions available to keep your face shield from fogging up. Any
of them are more effective than sliding your fingers behind the shield in an
attempt to wipe it clean while on the road.
Remember that
glare is in the eye of the beholder. Middle-aged and older riders are more
sensitive than young ones, so if you're running high-output auxiliary lights,
give the other guy a break. The brighter beams can easily blind the very people
you're trying to get to notice you. A teacher at the AARP Driver Safety Program
course (participants age 55-plus) tells us he often hears complaints about motorcycle
headlights being too bright. With the average driver's age on the rise, it's
food for thought.
Because night riding reduces both the
distance and quality of what you see, you might want to keep a lighter touch on
the throttle-especially if you're in the boonies. It'll be tougher to determine
surface condition as well as the road's general direction at night, key points
on unlit country lanes. Be prepared to stop if you're confused-don't guess. If
you can, use the lights of other nearby vehicles as well as your own to keep an
eye on the road and give yourself room to react. In turns, make sure you have
plenty of lean angle in reserve. If the turn tightens or the pavement changes,
you may need the extra runoff.
Rest
up. It's not a good idea to ride when you're tired. Long hauls in the evening
can easily leave you in autopilot mode. You may not react to hazards as quickly
as you would during the day. Changing up your speed and taking regular breaks
is the best way to fight fatigue on long nighttime journeys. Snack and stretch the
movement and light food will help ward off tiredness.
It's
also in your best interest to make yourself a little larger than life. Wearing
bright clothing and reflective material makes you pop at night. The biggest
thing a following driver sees is your back, so get some reflectivity back
there. Streetglo.net stocks DOT-approved, motorcycle-specific stick-on tape for
less than $10 a roll. Try a reflective ―Halo stretched around the bottom
of your helmet.
As
you might expect, your bike's lighting is your biggest weapon. Even simple
things like ensuring your headlight and taillights have good-quality bulbs and
clean lenses will yield big gains. If light quality is subpar, consider adding
dual running lights; three properly aimed headlights are much more noticeable
than one. Halogen lamps-up to 30 percent brighter than stockers-can be had for
less than $15. In their dogged quest for style many manufacturers aim the
headlight lower than the legal angle. Consult your owner's manual, then peek
into the headlight area to find the adjustment hardware and tweak away.
Last
(but perhaps most importantly), get your eyes checked. One quick visit can
diagnose any problems. Dr. Risko says, "People with astigmatism are more
likely to be disturbed by glare or light sensitivity. But almost all
astigmatism can be corrected. Contacts are better for riding as they don't
compromise peripheral vision like glasses do."
All
things considered, it probably isn't as bad as it seems. After all, 50 is the
new 30, right? Just tell that to my wife-she's planning to to take me shopping.
Nancy Kwiecien
GWRRA Spring, Texas Chapter M-2 Chapter Educator