visual snow.which eye exhibits visual snow? q1 the goal of this...

3.77% 4

0.94% 1

95.28% 101

Q1 The goal of this test is to determine which eye(s) are affected byvisual snow.Which eye exhibits visual snow?

Answered: 106 Skipped: 0

TOTAL 106

Minimum1.00

Maximum3.00

Median3.00

Mean2.92

Standard Deviation0.39

Left

Right

Both

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%

ANSWER CHOICES RESPONSES

Left (1)

Right (2)

Both (3)

BASIC STATISTICS

1 / 37

Visual Snow Survey 2018

1.89% 2

0.94% 1

97.17% 103

Q2 The goal of this test is to determine which field of view, left or righthalf, of your vision exhibits visual snow.Using the eye(s) selected above,

Which half of the visual field exhibits visual snow?Answered: 106 Skipped: 0

TOTAL 106

Left

Right

Both

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%


Left

Right

Both

2 / 37


1.89% 2

0.94% 1

97.17% 103

Q3 The goal of this test is to determine whether the upper or lower field ofview of vision exhibits visual snow.Using the eye(s) selected above, Is the

snow limited to the upper or lower half of the visual field?Answered: 106 Skipped: 0

TOTAL 106

Minimum1.00

Maximum3.00

Median3.00

Mean2.95


Upper

Lower

Both

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%


Upper (1)

Lower (2)

Both (3)

BASIC STATISTICS

3 / 37


22.03% 13

1.69% 1

76.27% 45

Q4 Is the density of snow different within the small circle compared to thebig circle?


TOTAL 59

Minimum1.00

Maximum3.00

Median3.00

Mean2.54


Lower

Higher

Same

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%


Lower (1)

Higher (2)

Same (3)

BASIC STATISTICS

4 / 37


10.17% 6

1.69% 1

88.14% 52

Q5 While continuing to fixate on the center of the small circle at the samedistance, do you see any differencebetween the snow density inside the

big circle compared to outside of it?Answered: 59 Skipped: 47

TOTAL 59

Minimum1.00

Maximum3.00

Median3.00

Mean2.78


Lower

Higher

Same

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%


Lower (1)

Higher (2)

Same (3)

BASIC STATISTICS

5 / 37


60.00% 36

40.00% 24

Q6 The goal of this test is to determine how you perceive your visualsnow.Do you perceive VS as a veil in front of the scene or as a fuzziness

to individual objects in the scene?Answered: 60 Skipped: 46

TOTAL 60

Minimum1.00

Maximum2.00

Median1.00

Mean1.40


A Veil

A Fuzziness

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%


A Veil (1)

A Fuzziness (2)

BASIC STATISTICS

6 / 37


21.67% 13

78.33% 47

Q7 The goal of this test is to determine if you perceive VS in color orblack & white.Do you see color in the snow or just a translucent veil or

fuzziness?Answered: 60 Skipped: 46

TOTAL 60

Minimum1.00

Maximum2.00

Median2.00

Mean1.78


Color

TranslucentQuality

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%


Color (1)

Translucent Quality (2)

BASIC STATISTICS

7 / 37


Q8 How old were you when you first recognized your VS? In years onlyAnswered: 60 Skipped: 46

8 / 37


oasis

Sticky Note

Numbers from "birth to 52 years old, predominantly in teens and 20's. I will have to study the program for how to plot this data as a graph.

30.51% 18

50.85% 30

18.64% 11

Q9 Did you use any prescription drugs during the month prior to the onsetof your VS?


TOTAL 59

Minimum1.00

Maximum3.00

Median2.00

Mean1.88


Yes

No

Not applicable

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%


Yes (1)

No (2)

Not applicable (3)

BASIC STATISTICS

9 / 37


Q10 Provide the names of any prescribed drugs used prior to the start ofyour VS


10 / 37


oasis

Sticky Note

amoxicillin penicillin levodopa kennamycin

18.64% 11

72.88% 43

8.47% 5

Q11 Did you use any recreational drugs during the month prior to theonset of your VS?


TOTAL 59

Minimum1.00

Maximum3.00

Median2.00

Mean1.90


Yes

No

Not applicable

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%


Yes (1)

No (2)

Not applicable (3)

BASIC STATISTICS

11 / 37


Q12 Provide the names of any recreational drugs used prior to the start ofyour VS


12 / 37


oasis

Sticky Note

cannabis LSD marijuana levodopa** mushrooms MDMA ecstasy* * a stimulant, not a hallucigenic **generally by prescription

15.25% 9

84.75% 50

Q13 Does your VS ever disappear for a few minutes to a few days?Answered: 59 Skipped: 47

TOTAL 59

Minimum1.00

Maximum2.00

Median2.00

Mean1.85


Yes

No

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%


Yes (1)

No (2)

BASIC STATISTICS

13 / 37


38.98% 23

61.02% 36

Q14 The goal of this test is to determine if your VS can be overcomeduring periods of high concentration.Do you ever find your VS disappears

when you are concentrating on a specific task?Answered: 59 Skipped: 47

TOTAL 59

Minimum1.00

Maximum2.00

Median2.00

Mean1.61


Yes

No

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%


Yes (1)

No (2)

BASIC STATISTICS

14 / 37


81.36% 48

18.64% 11

Q15 The goal of this question is to determine if you also suffer fromTinnitus (a ringing or hissing in your ears).Do you suffer from Tinnitus as

well as VS?Answered: 59 Skipped: 47

TOTAL 59

Minimum1.00

Maximum2.00

Median1.00

Mean1.19


Yes

No

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%


Yes (1)

No (2)

BASIC STATISTICS

15 / 37


70.37% 38

29.63% 16

Q16 What is your gender?Answered: 54 Skipped: 52

TOTAL 54

Minimum1.00

Maximum2.00

Median1.00

Mean1.30


Male

Female

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%


Male (1)

Female (2)

BASIC STATISTICS

16 / 37


Q17 How old are you now? In years only.Answered: 54 Skipped: 52

17 / 37


0.00% 0

83.33% 5

16.67% 1

Q18 Have either parent or a sibling reported visual snowAnswered: 6 Skipped: 100

Total Respondents: 6

Father

Mother

Sibling

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%


Father

Mother

Sibling

18 / 37


Q19 Comments: Please include any comments you care to make in thebox below. I will tailor the target chart further based on the comments I

receive.Answered: 29 Skipped: 77

19 / 37


Q20 Initials used as a statistical identifier (or Name):Answered: 54 Skipped: 52

20 / 37


0.00% 0

0.00% 0

0.00% 0

0.00% 0

87.76% 43

81.63% 40

87.76% 43

0.00% 0

100.00% 49

0.00% 0

Q21 Address (Include e-mail address if you want a referral or results ofthis study)



Name

Company

Address

Address 2

City/Town

State/Province

ZIP/Postal Code

Country

Email Address

Phone Number

21 / 37


Q22 In what country do you live?Answered: 54 Skipped: 52

Afghanistan

Albania

Algeria

Andorra

Angola

Antigua andBarbuda

Argentina

Armenia

Australia

Austria

Azerbaijan

Bahamas

Bahrain

Bangladesh

Barbados

Belarus

Belgium

Belize

Benin

22 / 37


Bhutan

Bolivia(Plurination...

Bosnia andHerzegovina

Botswana

Brazil

BruneiDarussalam

Bulgaria

Burkina Faso

Burundi

Cabo Verde

Cambodia

Cameroon

Canada

CentralAfrican...

Chad

Chile

China

Colombia

Comoros

Congo

Costa Rica

23 / 37


Costa Rica

Côte D'Ivoire

Croatia

Cuba

Cyprus

Czech Republic

DemocraticPeople's...

DemocraticRepublic of ...

Denmark

Djibouti

Dominica

DominicanRepublic

Ecuador

Egypt

El Salvador

EquatorialGuinea

Eritrea

Estonia

Ethiopia

Fiji

Finland

24 / 37


France

Gabon

Gambia

Georgia

Germany

Ghana

Greece

Grenada

Guatemala

Guinea

Guinea Bissau

Guyana

Haiti

Holy See

Honduras

Hungary

Iceland

India

Indonesia

Iran (IslamicRepublic of)

Iraq

25 / 37


Ireland

Israel

Italy

Jamaica

Japan

Jordan

Kazakhstan

Kenya

Kiribati

Kuwait

Kyrgyzstan

Lao People’sDemocratic...

Latvia

Lebanon

Lesotho

Liberia

Libya

Liechtenstein

Lithuania

Luxembourg

Madagascar

26 / 37


Malawi

Malaysia

Maldives

Mali

Malta

MarshallIslands

Mauritania

Mauritius

Mexico

Micronesia(Federated...

Monaco

Mongolia

Montenegro

Morocco

Mozambique

Myanmar

Namibia

Nauru

Nepal

Netherlands

New Zealand

27 / 37


New Zealand

Nicaragua

Niger

Nigeria

Norway

Oman

Pakistan

Palau

Panama

Papua NewGuinea

Paraguay

Peru

Philippines

Poland

Portugal

Qatar

Republic ofKorea

Republic ofMoldova

Romania

RussianFederation

Rwanda

28 / 37


Saint Kittsand Nevis

Saint Lucia

Saint Vincentand the...

Samoa

San Marino

Sao Tome andPrincipe

Saudi Arabia

Senegal

Serbia

Seychelles

Sierra Leone

Singapore

Slovakia

Slovenia

Solomon Islands

Somalia

South Africa

South Sudan

Spain

Sri Lanka

State ofPalestine

29 / 37


Sudan

Suriname

Swaziland

Sweden

Switzerland

Syrian ArabRepublic

Tajikistan

Thailand

The formerYugoslav...

Timor-Leste

Togo

Tonga

Trinidad andTobago

Tunisia

Turkey

Turkmenistan

Tuvalu

Uganda

Ukraine

United ArabEmirates

United Kingdomof Great...

30 / 37


0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

of Great...

UnitedRepublic of...

United Statesof America

Uruguay

Uzbekistan

Vanuatu

Venezuela(Bolivarian...

Vietnam

Yemen

Zambia

Zimbabwe

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%


Afghanistan (1)

Albania (2)

Algeria (3)

Andorra (4)

Angola (5)

Antigua and Barbuda (6)

Argentina (7)

Armenia (8)

Australia (9)

Austria (10)

Azerbaijan (11)

Bahamas (12)

Bahrain (13)

Bangladesh (14)

Barbados (15)

31 / 37


0.00% 0

1.85% 1

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

3.70% 2

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

1.85% 1

0.00% 0

0.00% 0

3.70% 2

0.00% 0

Belarus (16)

Belgium (17)

Belize (18)

Benin (19)

Bhutan (20)

Bolivia (Plurinational State of) (21)

Bosnia and Herzegovina (22)

Botswana (23)

Brazil (24)

Brunei Darussalam (25)

Bulgaria (26)

Burkina Faso (27)

Burundi (28)

Cabo Verde (29)

Cambodia (30)

Cameroon (31)

Canada (32)

Central African Republic (33)

Chad (34)

Chile (35)

China (36)

Colombia (37)

Comoros (38)

Congo (39)

Costa Rica (40)

Côte D'Ivoire (41)

Croatia (42)

Cuba (43)

Cyprus (44)

Czech Republic (45)

Democratic People's Republic of Korea (46)

Democratic Republic of the Congo (47)

Denmark (48)

Djibouti (49)

32 / 37


0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

14.81% 8

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

1.85% 1

Dominica (50)

Dominican Republic (51)

Ecuador (52)

Egypt (53)

El Salvador (54)

Equatorial Guinea (55)

Eritrea (56)

Estonia (57)

Ethiopia (58)

Fiji (59)

Finland (60)

France (61)

Gabon (62)

Gambia (63)

Georgia (64)

Germany (65)

Ghana (66)

Greece (67)

Grenada (68)

Guatemala (69)

Guinea (70)

Guinea Bissau (71)

Guyana (72)

Haiti (73)

Holy See (74)

Honduras (75)

Hungary (76)

Iceland (77)

India (78)

Indonesia (79)

Iran (Islamic Republic of) (80)

Iraq (81)

Ireland (82)

Israel (83)

Italy (84)

33 / 37


0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

1.85% 1

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

Jamaica (85)

Japan (86)

Jordan (87)

Kazakhstan (88)

Kenya (89)

Kiribati (90)

Kuwait (91)

Kyrgyzstan (92)

Lao People’s Democratic Republic (93)

Latvia (94)

Lebanon (95)

Lesotho (96)

Liberia (97)

Libya (98)

Liechtenstein (99)

Lithuania (100)

Luxembourg (101)

Madagascar (102)

Malawi (103)

Malaysia (104)

Maldives (105)

Mali (106)

Malta (107)

Marshall Islands (108)

Mauritania (109)

Mauritius (110)

Mexico (111)

Micronesia (Federated States of) (112)

Monaco (113)

Mongolia (114)

Montenegro (115)

Morocco (116)

Mozambique (117)

Myanmar (118)

Namibia (119)

34 / 37


0.00% 0

0.00% 0

7.41% 4

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

3.70% 2

1.85% 1

0.00% 0

0.00% 0

0.00% 0

0.00% 0

5.56% 3

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

Nauru (120)

Nepal (121)

Netherlands (122)

New Zealand (123)

Nicaragua (124)

Niger (125)

Nigeria (126)

Norway (127)

Oman (128)

Pakistan (129)

Palau (130)

Panama (131)

Papua New Guinea (132)

Paraguay (133)

Peru (134)

Philippines (135)

Poland (136)

Portugal (137)

Qatar (138)

Republic of Korea (139)

Republic of Moldova (140)

Romania (141)

Russian Federation (142)

Rwanda (143)

Saint Kitts and Nevis (144)

Saint Lucia (145)

Saint Vincent and the Grenadines (146)

Samoa (147)

San Marino (148)

Sao Tome and Principe (149)

Saudi Arabia (150)

Senegal (151)

Serbia (152)

Seychelles (153)

Sierra Leone (154)

35 / 37


0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

3.70% 2

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

1.85% 1

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

14.81% 8

0.00% 0

31.48% 17

0.00% 0

Singapore (155)

Slovakia (156)

Slovenia (157)

Solomon Islands (158)

Somalia (159)

South Africa (160)

South Sudan (161)

Spain (162)

Sri Lanka (163)

State of Palestine (164)

Sudan (165)

Suriname (166)

Swaziland (167)

Sweden (168)

Switzerland (169)

Syrian Arab Republic (170)

Tajikistan (171)

Thailand (172)

The former Yugoslav Republic of Macedonia (173)

Timor-Leste (174)

Togo (175)

Tonga (176)

Trinidad and Tobago (177)

Tunisia (178)

Turkey (179)

Turkmenistan (180)

Tuvalu (181)

Uganda (182)

Ukraine (183)

United Arab Emirates (184)

United Kingdom of Great Britain and Northern Ireland (185)

United Republic of Tanzania (186)

United States of America (187)

Uruguay (188)

36 / 37


0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

0.00% 0

TOTAL 54

Minimum17.00

Maximum187.00

Median168.00

Mean137.67


Uzbekistan (189)

Vanuatu (190)

Venezuela (Bolivarian Republic of) (191)

Vietnam (192)

Yemen (193)

Zambia (194)

Zimbabwe (195)

BASIC STATISTICS

37 / 37


visual snow.which eye exhibits visual snow? q1 the goal of this...

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