UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 13G

(RULE 13d - 102)

Information to be included in statements filed pursuant

to Rules 13d-1(b), (c) and (d) and amendments thereto filed

pursuant to 13d-2(b)

(AMENDMENT NO. 4)*

Ophthalmic Imaging Systems

(Name of Issuer)

Common Stock, no par value

(Title of Class of Securities)

683737209

(CUSIP Number)

December 31, 2011

(Date of Event which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule

is filed:

[ ] Rule 13d-1(b)

[x] Rule 13d-1(c)

[ ] Rule 13d-1(d)

*The remainder of this cover page shall be filled out for a reporting person's

initial filing on this form with respect to the subject class of securities, and

for any subsequent amendment containing information which would alter

disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed

to be "filed" for the purpose of Section 18 of the Securities Exchange Act of

1934 ("Act") or otherwise subject to the liabilities of that section of the Act

but shall be subject to all other provisions of the Act (however, see the

Notes).

(Continued on the Following Pages)

(Page 1 of 4)

CUSIP No. 683737209 13G Page 2 of 4 Pages

1. NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

The Tail Wind Fund Ltd.

2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

(a) [ ]

(b) [ ]

3. SEC USE ONLY

4. CITIZENSHIP OR PLACE OF ORGANIZATION

A British Virgin Islands corporation

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

5. SOLE VOTING POWER

6. SHARED VOTING POWER

7. SOLE DISPOSITIVE POWER

8. SHARED DISPOSITIVE POWER

9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)

EXCLUDES CERTAIN SHARES* [ ]

11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

0.0%

12. TYPE OF REPORTING PERSON*

*SEE INSTRUCTIONS BEFORE FILLING OUT!

CUSIP No. 683737209 13G Page 3 of 4 Pages

This statement is filed pursuant to Rule 13d-2(b) with respect to the common stock (the "Common Stock") of Ophthalmic Imaging Systems beneficially owned by the Reporting Person specified herein as of January 31, 2012 and amends and supplements the Schedule 13G filed by the Reporting Person on November 21, 2007 and amended on February 12, 2009, February 9, 2010 and February 14, 2011 (the "Schedule 13G"). Except as set forth herein, the Schedule 13G is unmodified.

ITEM 4. OWNERSHIP.

Provide the following information regarding the aggregate number and

percentage of the class of securities of the issuer identified in Item 1.

(a) Amount beneficially owned: 0

(b) Percent of class: 0%

(i) Sole power to vote or to direct the vote

(ii) Shared power to vote or to direct the vote

(iii) Sole power to dispose or to direct the disposition of

(iv) Shared power to dispose or to direct the disposition of

ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.

If this statement is being filed to report the fact that as of the date hereof the Reporting Persons have ceased to be the beneficial owner of more than five percent of the class of securities, check the following [X].

ITEM 10. CERTIFICATION.

By signing below the undersigned certifies that, to the best of its

knowledge and belief, the securities referred to above were not acquired

and are not held for the purpose of or with the effect of changing or

influencing the control of the issuer of the securities and were not

acquired and are not held in connection with or as a participant in any

transaction having that purpose or effect.

CUSIP No. 683737209 13G Page 4 of 4 Pages

SIGNATURE

After reasonable inquiry and to the best of its knowledge and belief,

the undersigned certifies that the information set forth in this statement is

true, complete, and correct.

Dated: February 14, 2012	THE TAIL WIND FUND LTD.



	By:	/s/ Andrew P. MacKellar
		Andrew P. MacKellar, Director

TAIL WIND FUND LTD SC 13G/A